Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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sophie’s math teacher plots student grades on their weekly quizzes agai…
A prediction of a student's quiz score if they spend 1 hour on their homework.
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unit 1, lesson 3 the data represent the number of ounces of water that …
The box plot provides a summarized view of the data's spread (interquartile range, IQR), central tendency (median), and the range (min to max) in a compact form, highlighting the …
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a researcher studied the relationship between the number of times a cer…
The expected change in temperature in degrees Fahrenheit for each additional cricket chirp in one minute.
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the birthday list ▲ 1 cole wrote items as quickly as they popped into h…
Since no specific question is provided about this text, it's not possible to give a targeted answer. If you have a question related to this passage, such as a comprehension questi…
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the box plot displays the temperature of saunas in degrees fahrenheit. …
118
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amadon decides to research the relationship between the length in inche…
The expected length of a catfish that weighs 19 pounds.
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the process of using ones understanding of the world to derive meaningf…
B. perception
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nathaniel has a part - time job at an ice skating rink selling hot coco…
When the day's high temperature was \(11^{\circ}\text{F}\), Nathaniel sold 87 hot cocoas.
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finish times (to the nearest hour) for 59 dogsled teams are shown below…
# Explanation: ## Step1: Find the range First, we find the minimum and maximum values in the data set. The minimum value ($\text{min}$) is 236 and the maximum value ($\text{max}$)…
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the scatter plot and line of best fit below show the length of 10 peopl…
The change in expected height for every one additional centimeter of femur length.
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4 from unit 1, lesson 4 the dot plot shows the weight in grams of sever…
B. bimodal, D. symmetric ### Problem 5a (Mean of Weekly Wages)
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question evelyn is driving along a highway at a speed of 50 miles per h…
The independent variable, \( x \), represents the time (in hours), and the dependent variable is the distance (in miles), because the distance depends on the time. A function rela…
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consider the scatter plot. scatter plot image 2a with respect to the re…
None of the given options is correct as the scatter plot shows a positive relationship between \( x \) and \( y \) (as \( x \) increases, \( y \) generally increases). However, if…
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finish times (to the nearest hour) for 10 dogsled teams are shown below…
The frequency table is as follows: | Class Limits | Class Boundaries | Midpoint | Frequency | Relative Frequency | Cumulative Frequency | |--------------|------------------|------…
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1. which of the following could be the equation for the line of best fi…
\( y = 5x - 23 \)
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finish times (to the nearest hour) for 10 dogsled teams are shown below…
The frequency table is as shown above: | Class Limits | Class Boundaries | Midpoint | Frequency | Relative Frequency | Cumulative Frequency | |--------------|------------------|--…
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2a the graph shows that: the correct option was a as air temperature in…
Positive, Strong
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2a the graph shows that: as air temperature increases, sea temperature …
As air temperature increases, sea temperature increases.
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assume that the following data represent baseball batting averages for …
The data values after multiplying by 1000 are: 193, 258, 154, 293, 159, 297, 261, 251, 182, 125, 106, 260, 306, 306, 279, 289, 319, 253, 215, 251, 247, 260, 265, 183, 113, 201
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finish times (to the nearest hour) for 57 dogsled teams are shown below…
The correct dot - plot is the third option (the one with x - axis labels 230, 240, 250, 260, 270, 280, 290, 300, 310, 320, 330, 340, 350, 360, 370 and the dot placement matching t…
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what percentage of 9th-grade boys are likely to be involved in drinking…
36.3%
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finish times (to the nearest hour) for 59 dogsled teams are shown below…
The histogram is drawn with the x - axis having class intervals \(236 - 260\), \(261 - 285\), \(286 - 310\), \(311 - 335\), \(336 - 360\) and the y - axis having frequencies 5, 9,…
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questions levi keeps track of the number of people inside a music hall …
At 7:30 p.m., Levi should expect about 184.3 people in the music hall.
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5. the geometry test scores for andrea and joe are shown in the table b…
(3) The mean of Andrea’s test scores is higher than Joe’s, but Joe’s standard deviation is higher than Andrea’s.
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its not an easy life, but its a good life! suppose you decide to take t…
To create the Pareto chart: ### 1. Ordered Data (by harvest, descending): | Fish Type | Harvest (thousands of metric tons) | |-----------------|-----------------------------------…
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tamika’s math teacher plots student grades on their weekly quizzes agai…
The number of hours a student should spend on their homework to expect a score of 100 on the quiz.
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finish times (to the nearest hour) for 10 dogsled teams are shown below…
20
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a student collected data about the distance a ball falls over time. whi…
A. scatterplot
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question the scatter plot and line of best fit below show the length of…
An expected height of 149.7 centimeters when the femur has a length of 37 centimeters.
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finish times (to the nearest hour) for 59 dogsled teams are shown below…
# Explanation: ## Step1: Find the range First, find the minimum and maximum values. The minimum value ($\text{min}$) is 236, and the maximum value ($\text{max}$) is 360. The range…
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directions: based on the video lecture #1 and sept. 2 in class lecture,…
Orientalism ### Question 2
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directions: based on the video lecture #1 and sept. 2 in class lecture,…
s (Summarized): 1. Orientalism (explained as above). 2. Difference = explicit meaning contrast; Inference = implicit conclusion. "Don’t" = suggestion; "Can’t" = frustration about …
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a survey of 1000 adults uncovered some interesting housekeeping secrets…
To create the circle graph, calculate central angles: Closet ($216^\circ$), Under Bed ($90^\circ$), Bathtub ($36^\circ$), Freezer ($18^\circ$). Draw a circle, mark these angles wi…
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find the median and mean of the data set below: 41,13,49,45,31,16 answe…
Median = 36 Mean = 32.5 To find the median, first sort the data set: \( 13, 16, 31, 41, 45, 49 \). Since there are 6 (even) values, the median is the average of the 3rd and 4th va…
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use a random-number table to get a list of 4 random numbers between 100…
101 0 100 0 137 0 121 0 0 0 (the third option)
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identify the level of measurement corresponding to the data \salesperso…
B. ordinal
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find the technique for gathering data in the study below. a study of al…
D. census
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find the median and mean of the data set below: 39, 48, 32, 47, 31, 38,…
Median = 38 Mean = \(\frac{266}{7} = 38\) (Wait, no, let's recalculate: 31 + 31 + 32 + 38 + 39 + 47 + 48 = 31*2=62, 32=32, 38=38, 39=39, 47=47, 48=48. Sum: 62+32=94, 94+38=132, 13…
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identify the sampling technique used in the following information. an i…
B. Simple random sample
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find the technique for gathering data in the study below. the colorado …
D. sampling
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jose can use the rule ( m(x) = 10 + 3x ) to find ( m(x) ), the amount o…
\( m(20)=\boldsymbol{70} \) After working \(\boldsymbol{20}\) additional hours, Jose will earn \(\boldsymbol{70}\) dollars.
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data may be classified by one of the four levels of measurement. what i…
A. nominal
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identify the implied population in the information below. government ag…
C. nitrogen concentration (mg nitrogen/l water) in the entire lake
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identify whether the variable in the information below is qualitative o…
quantitative
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identify the variable in the information below. usa today reported that…
response regarding frequency of at restaurants
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anything worth doing is worth doing well daily language week 5 day 2 1 …
d. whose ### Question 2: Correct the sentence
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use a random-number table to simulate the outcomes of tossing a quarter…
The correct option is the fifth one: TTH TTTTHHTTTTHTHHTH (or written as TTH TTTTHHTTTTHTHHTH, but in the options, it's "TTH TTTTHHTTTTHTHHTH" – wait, let's count the characters: …
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if you are a dog lover, having your dog with you may reduce your stress…
### Question 1: Identify Outliers #### Group: Alone - **Data**: \( 62.6, 70.9, 73.3, 75.5, 77.8, 80.4, 84.5, 84.7, 84.9, 87.2, 87.4, 87.8, 90.0, 91.8, 99.0 \) - **Step 1: Find Qua…
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cal measures and create a box and whiskers plot for the following set o…
Min: 6 Q1: 8 Med: 10 Q3: 13.5 Max: 16 (For the box plot: The left whisker starts at 6, the left end of the box at 8, the median line at 10, the right end of the box at 13.5, and t…
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part 1 \... we heartily recommend union and a good agreement between yo…
His forefathers (of the Haudenosaunee Confederacy) created a political - social alliance (the confederacy) of peace, cooperation, and unity among the Mohawk, Oneida, Onondaga, Cay…
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today became great when you arrived! week 5 day 1 daily language choose…
c. whom ### Question 2
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2,2,5,6,8,10,10,10,15,16,17,18,19 min: □ q1: □ med: □ q3: □ max: □ crea…
Min: \(2\), Q1: \(5.5\), Med: \(10\), Q3: \(16.5\), Max: \(19\)
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1-92 calculate the mean of each data set below. can you find any shortc…
8 ### Part (b)
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5,6,7,9,10,11,12,12,14,15,16,17,18,19 min: □ q1: □ med: □ q3: □ max: □ …
Min: \(5\), Q1: \(9\), Med: \(12\), Q3: \(16\), Max: \(19\)
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in a student survey, forty-one part-time students were asked how many c…
### Part a #### Step 1: Find the frequency for 2 courses We know that cumulative frequency for 2 courses is 28, and cumulative frequency for 1 course is its frequency (since it's …
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home sales prices (hundred thousands) (ten thousands) 0 667778999 1 024…
370000
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5,5,6,9,10,14,16,16,16,17,17 min: □ q1: □ med: □ q3: □ max: □ create th…
Min: \(5\), Q1: \(6\), Med: \(14\), Q3: \(16\), Max: \(17\)
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a survey asked how many children people have. the survey results are gi…
\(\frac{2}{7}\) (or approximately \(0.286\))
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multiple choice question the courts exercise the power of judicial revi…
C. imprecise (assuming the options are labeled A: impenetrable, B: imperfect, C: imprecise, D: immutable; adjust label as per actual numbering, but the correct term is imprecise)
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the box-and-whisker plot below represents some data set. what percentag…
# Explanation: ## Step1: Recall box - and - whisker plot quartiles In a box - and - whisker plot, the data is divided into four quartiles, each representing 25% of the data. The m…
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1-91 marissa is drawing coins from a bag that contains 5 pennies, 4 nic…
(a): Fraction: \( \frac{1}{4} \), Decimal: \( 0.25 \), Percent: \( 25\% \) ### Part (b)
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certain mental puzzles than their monolingual counterparts. it is belie…
skillful
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the main factor stalling progress was the fact that no one knew how to …
B. dome
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specially designed routines before arriving at the space station. such …
a regular course of action
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which of the following is an example of a direct democracy? ○ a governm…
B. A political system in which citizens communally own the means of production.
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the box-and-whisker plot below represents some data set. what is the ra…
26
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the box-and-whisker plot below represents some data set. what is the ra…
70
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the iq scores of 50 students are given below. 112 115 119 86 111 100 11…
### Part (a) # Explanation: ## Step 1: Determine Class Width The first class is 85 - 89, so the class width is \( 89 - 85 + 1 = 5 \) (we add 1 because the class includes both endp…
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to define and trace the history of every single word in the english lan…
difficult to achieve
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in lesson app 1.6, we asked, \have you ever noticed that bags of chips …
40 ### Question 2: Calculate and interpret the standard deviation.
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picasso’s rise to prominence began in 1907. while living in paris, he p…
B. not true to life
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which of the following is an example of a direct democracy? ○ a governm…
B. A political system in which citizens communally own the means of production.
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extraordinary skill allowed him to enter barcelonas prestigious school …
highly respected
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2 i passed the house and inconspicuously parked next door, the neighbor…
C. away from the lights ### Second Sub - Question (Meaning of "vacated") (Note: Since the options for the "vacated" question are not fully visible, we can only provide the general…
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right index fingers whenever they felt the urge. haynes’s team scrutini…
A. examined closely
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question 6 1.5 pts here is the five - number summary for a group of 100…
C. Both the slowest and the fastest runners are outliers. (Assuming the options are labeled A, B, C, D with C being the third option as per the order: first option is A, second B,…
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do human beings have the freedom to make their own choices, to act out …
(Assuming the option is something like "Possible to know in advance" as per the partial text; if the full option list was, e.g., A. Possible to know in advance, then the answer wo…
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daily tobacco smoking as % of population (123 countries) which one of t…
# Explanation: ## Step1: Analyze the histogram data First, we need to understand the distribution of the data from the histogram. The histogram has bins with frequencies: 0 - 6 (1…
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who saved more in 2033, quinn or bela? quinn bela work it out not feeli…
(Assuming from typical such graphs, if the bar or point for Quinn is higher in 2033, else Bela. But since the graph's exact data isn't fully clear, but if we assume standard, mayb…
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question 4 1.5 pts here are three boxplots on an unlabeled number line.…
Boxplot C
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read this sentence from the text. in this sentence, the word \preserved…
B. kept in its original condition
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theater department recorded the attendance at the high school play. pla…
To solve this, we need to find the number of children who attended on Tuesday and Friday from the graph (blue line for children) and then find the difference. Assuming from the gr…
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what type of tone is recommended for an advocacy message? a. neutral an…
b. Positive and supportive ### Second Question: Which of the following should be avoided in advocacy posts?
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they stop by the restroom, and mr. lopez coldly stares at her. she quic…
seeking hedonism
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nts at oak grove high school compared how much reading was assigned to …
(Assuming the day is Friday, from the graph: Mr. Buckley's assignment - Mrs. Alvarado's assignment. If Friday: Mr. Buckley's point (say 4 units) and Mrs. Alvarado's (say 1 unit), …
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the five point summary is as follows: min = 1.9, q₁ = 2.6, median = 3, …
To determine the correct positions for the boxplot elements, we use the five - number summary and the outlier fences: ### Step 1: Identify the minimum, \(Q_1\), median, \(Q_3\), a…
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20. in a public opinion poll, 624 people from a sample of 1,100 indicat…
The candidate can expect to receive approximately \(\boldsymbol{22691}\) votes (or approximately 22690.91 votes, depending on rounding). If we round to the nearest whole number, i…
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the p.e. teachers at rainfax middle school kept track of how many girls…
To determine the number of boys who participated in the jog - a - thon in 1991, we look at the graph. The blue line (representing boys) in 1991 has a value of 20 (assuming the sca…
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the five point summary is as follows: min = 1.9, q₁ = 2.6, median = 3, …
Lower Fence: \( 1.7 \) Upper Fence: \( 4.1 \) Outliers: \( 4.4 \)
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consider the following sample data, which represent weights of sea muss…
Minimum: \(1.9\), \(Q_1\): \(2.6\), \(Q_2\): \(3.0\), \(Q_3\): \(3.2\), Maximum: \(4.4\)
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glosario alienar separar arsenal lugar donde se guardan armas debatir d…
### Parte A (Verdadero/Falso) 1. **Análisis**: El proyecto de ley para prohibir la esclavitud en territorios de la Guerra con México fue el Proyecto de Wilmot, no "Clausula Wilmot…
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an advertising company polled a group of high schoolers about how much …
80
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parents kept track of the number of times the attendance office called …
February
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sharon was in charge of keeping attendance for a local summer camp each…
2023
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parasite relationships are often the most familiar types of symbiotic r…
To determine the meaning of "viable" in the passage, we analyze the context: the parasite (flea) gains a "viable habitat" to support its life cycle. A habitat that supports a life…
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find the absolute change and the relative change in the following case.…
4.8
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text-dependent questions directions: for the following questions, choos…
C. People can overcome difficulties and succeed. ### Question 2 (Part B)
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which boxplot is a reasonable summary of the data used to create the hi…
(Assuming the correct option is, e.g.,) C. [Boxplot C] (Note: The exact answer depends on the visual details, but the process is analyzing histogram distribution and matching to b…
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select the correct answer from each drop - down menu. the number of peo…
To determine the best model and the number of visitors next year, we analyze the data: ### Step 1: Analyze the trend of visitor data First, we list the number of visitors over the…
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the distribution of lengths of salmon from a certain river is approxima…
A. 26 inches