Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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(a) construct a relative frequency distribution of the data. | response…
27.7 %
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you found that the slope of the line is \\(\\frac{9}{2}\\). how could y…
4.5
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you are working as a ta for a professor. you have just graded the quizz…
### Step 1: Organize the Data First, list out all the scores: 86, 75, 88, 89, 52, 61, 88, 75, 69, 79, 72, 91, 48, 24, 97, 55, 83, 86, 70, 84, 70, 78, 90, 90, 85, 78, 83, 65. ### S…
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q. from your unit 1 review notes: in a class of 30 students, there are …
$\frac{19}{30}$
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1) in each study, the data collected is what level of measurement? a) l…
1) a) Ordinal b) Interval c) Ratio d) Ordinal e) Nominal 2) a) Continuous b) Discrete c) Continuous
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a frequency distribution table using data this list of 16 random number…
| Class | Frequency | Rel.Freq | |--------|-----------|----------| | 20-29 | 4 | 0.2500 | | 30-39 | 3 | 0.1875 | | 40-49 | 2 | 0.1250 | | 50-59 | 7 | 0.4375 |
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determine whether the variable given is qualitative - nominal, qualitat…
quantitative-continuous since this variable would yield numbers that measure
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question 9 1 pts a politician is trying to campaign for the presidency.…
720 ### Question 10
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the following are goals scored by a soccer team at each game in their r…
| Goals | Frequency | Relative Frequency | |-------|-----------|--------------------| | 0 | 3 | 0.12 | | 1 | 10 | 0.40 | | 2 | 6 | 0.24 | | 3 | 2 | 0.08 | | 4 | 2 | 0.08 | | 5 | 2…
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determine whether the variable given is qualitative - nominal, qualitat…
qualitative-nominal since this variable would yield categories with no implied order
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samara is knitting a scarf for her mom. she knits 4.5 centimeters of sc…
| Number of days | Length of the scarf (cm) | |----------------|--------------------------| | 2 | 9 | | 4 | 18 |
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you are working as a ta for a professor. you have just graded the quizz…
### Part 1: Stem - and - Leaf Plot #### Step 1: Organize the data by stems (tens place) First, we list out all the scores: 45, 75, 75, 98, 90, 97, 55, 83, 76, 70, 84, 70, 75, 59, …
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question 7 1 pts how many outcomes are there in the experiment in which…
s: ### Question 7
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check answers button and read the concepts lesson. jason wants to calcu…
1. Jason's calculation: add 2. Erkan's calculation: use conversion factor 3. Barbara's calculation: make conversion factor 4. Chester's calculation: subtract (correct as selected)…
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ages | number of students 15-18 | 10 19-22 | 3 23-26 | 2 27-30 | 10 31-…
20.5%
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if you dont know what make a conversion factor and use a conversion fac…
1. add 2. divide 3. divide 4. subtract (already selected correctly) 5. multiply
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thoughts on government (john adams) questions possible points: 10 what …
Adams means that debates over the "best" abstract form of government are a distraction pushed by tyrants (enabled by the Pope's statement). He asserts that the quality of a govern…
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data was collected for 145 randomly selected 10 minute intervals. for e…
20
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q. a bag has 5 red tiles, 4 yellow tiles and 3 green tiles. a tile is d…
$\frac{5}{36}$
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question 5 1 pts if $p(a)=.35$, $p(b)=.45$, and $p(a\\cup b)=.8$, then …
Mutually Exclusive, Dependent ### Question 6
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determine the distribution of the data pictured below frequency 30 25 2…
Skewed - right
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during one shift, the express lane clerk recorded how many times custom…
3 ### Second Sub - Question: What is the frequency of the most frequent number of over - the - limit items?
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question 3 1 pts suppose the 9 letters forming the word cafeteria were …
0.833 ### Question 4
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question 2 1 pts suppose there are 12 marbles in a bag--3 blue, 5 red, …
AD, 6/132
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question 1 1 pts suppose there are 12 marbles in a bag--3 blue, 5 red, …
BG, \( \frac{15}{144} \) (corresponding to the option BG, 15/144)
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a bag has 3 red tiles, 1 yellow tile and 2 green tiles. what is the pro…
$\frac{1}{4}$
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question 22 3 pts use percent proportion to solve. 1.24.94 is 29% of wh…
1. $86$ 2. $25$ 3. $\$70$
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paul is comparing two high - speed internet service providers (isps) fo…
12 months
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the graph represents a system of linear equations comparing the outside…
10 hours
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batches of tomato sauce batches of salsa which statement is true about …
Mike can make 6 batches of salsa and 3 batches of tomato sauce using all of his garden produce.
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the ratio of used books to new books in a bookstore is 2:9. check all s…
For every 2 used books in the bookstore, there are 9 new books.
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coreys school is doing a jog - a - thon race to fundraise for their com…
| Number of miles | Donation in dollars | |-----------------|---------------------| | 1 | 18 | | 2 | 36 | | 3 | 54 | | 4 | 72 | | 5 | 90 |
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now, find the slope, or the change in vertical distance for a given cha…
5
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marissa wants to know how many points she scored in her teams last two …
1. Marissa: add 2. Principal: subtract 3. Susannah: use conversion factor 4. Justine: divide
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for each of the situations below, choose the action that will make the …
1. Charity cans calculation: make conversion factor 2. Basketball total points calculation: add 3. Absent students calculation: subtract 4. Bus rides calculation: use conversion f…
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a restaurant charges $12 for a plain medium pizza and $1.50 for every t…
Each additional topping adds $1.50 to the price.
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pizza general charges 10 dollars per medium pizza. what does the slope …
Each additional pizza costs 10 more dollars.
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pizza general charges 10 dollars per medium pizza. find the slope, or t…
10
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enn diagram question (unit 1) seventy - five students participated in a…
2
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pizza general charges 10 dollars per medium pizza. now that youve compl…
The plotted points are $(1,10)$, $(2,20)$, $(3,30)$, $(4,40)$, and $(5,50)$ on the coordinate plane, with the x-axis representing number of pizzas and y-axis representing total co…
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question 9 determine which two events are mutually exclusive: a bag con…
B and C are mutually exclusive ### Question 10
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pair compare! 7 22 8 + 14 next
$22 = 8 + 14$ (select the $=$ symbol)
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pair compare! -22 8 + 14
$-$22 $<$ $8 + 14$
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if a line passes through the points (2, 4) and (6, 8), what is the slop…
b. 1 ### Second Sub - Question (Interpretation of Positive Slope)
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question 8 1 pts a bus can arrive early, on time, or late. the probabil…
0.90 ### Question 9
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now, find how long it would take luna to travel exactly 210 feet. solve…
17.5
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how long would it take steven to travel exactly 210 feet? solve on pape…
20
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which best showcases a role that a plan would have? (1 point) garland s…
A. Garland shares statistics on the prevalence of a specific airborne illness.
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carter and juanita both volunteer filling up water cups at a race. for …
Juanita would fill 18 more cups than Carter after pouring for 9 minutes.
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start with juanita. the equation $y = 11x$ can be used to represent jua…
Juanita would fill 99 cups after pouring for 9 minutes. Carter would fill 81 cups after pouring for 9 minutes.
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33. select the values that make the inequality $p > 1$ (numbers written…
### For problem 33 ($p>1$): ☑️ 1.001, ☑️ 1.01, ☑️ 1.1, ☑️ 2, ☑️ 4, ☑️ 6, ☑️ 9 ### For problem 34 ($m>-4$): ☑️ -3.999, ☑️ -3.99, ☑️ -3.9, ☑️ -3, ☑️ -1, ☑️ 1, ☑️ 4
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leah and toni are both training for a biking race. for each person, the…
Toni bikes 3 more miles per hour than Leah.
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start by thinking about toni. in the equation $y = 15x$, $y$ is the num…
Toni bikes 15 miles per hour. Leah bikes 12 miles per hour.
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how long would george need to work to earn exactly $78? solve on paper …
6.5
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this table shows some information about georges earnings. how much does…
12
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question 7 1 pts if one card is drawn out of a standard deck of playing…
None of the above. ### Question 8
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who would earn more money if elimary and abundo each worked for 12 hour…
Elimary would earn more money. Elimary would earn $\$6$ more than Abundo after working 12 hours.
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question 6 1 pts in the venn diagram, what region(s) make up \\(\\overl…
III and IV
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the relationship between time worked and money earned for each person i…
Elimary would earn more money. She would earn $\$6$ more than Abundo. Abundo's rate of change: $\$8.75$ per hour Elimary's rate of change: $\$9.25$ per hour
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the relationship between time worked and money earned for each person i…
Jeraly earns 9 dollars per hour. Yassil earns 12 dollars per hour. Yassil earns $\$3$ more per hour than Jeraly.
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7. 8 tenths 8. 332 thousandths 9. 44 hundredths 10. 100 thousandths
7. $0.8$ 8. $0.332$ 9. $0.44$ 10. $0.1$
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question 4 1 pts the data in the following table show the results of a …
\(0.198\) (corresponding to the option with.198) ### Question 5
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the relationship between time worked and money earned for each person i…
Jeraly would earn 72 dollars after working for 8 hours. Yassil would earn 96 dollars after working for 8 hours. Yassil earns more money after 8 hours of work.
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solve each problem. show your work. 1 simplify 2.4(-3.3 - 0.9 + 1.2). 3…
\( -7.2 \) ### Problem 3: Dave's Bank Account and Bills
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ensure the efficient flow of goods and services from the extraction of …
Chain
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una was asked to write about predicting population means by taking the …
- The best prediction of the population mean is the value that falls between the least and greatest sample means. - It is unlikely that the population mean will be the least or gr…
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josiah’s work: \\(\frac{10}{20} = \frac{x}{1,500}\\) \\(\frac{10 \times…
He did not multiply the numerator and denominator by the correct number to equal 1,500. He should have multiplied the numerator and denominator by 75, not 30, because $20 \times 7…
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mr. mcelroy enjoys listening to his mp3 player, which has 2,000 songs i…
The proportion $\boldsymbol{\frac{6}{40} = \frac{x}{2000}}$ (or simplified $\boldsymbol{\frac{3}{20} = \frac{x}{2000}}$) predicts the number of jazz songs, where $x$ is the total …
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a magazine reported on the \ treatment - emergent adverse events that o…
C. The 2448 patients who took the new medicine ### Part b (control group):
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in a designed experiment, there are two factors with each having four l…
C. There are sixteen treatments.
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a mega - discount chain store just opened a new clothing store in town …
B. Stratified sampling
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choose the correct answer. 42% 12% 8% 42% 12% 8% 4 parts 30 parts the n…
D. 34 parts
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choose the correct answer. 42% part feed a 12% 8% part feed b what is t…
30 parts
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proportions worksheet 1 a. 19 lbs of onions cost $57. how much would 29…
$87$ ### 1b
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question 4 write the following fractions in order from smallest to larg…
$\frac{7}{25} < \frac{3}{10} < \frac{11}{20} < \frac{3}{5}$
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2. in sams school, science scores for a year are calculated from the sc…
\( 7.7 \)
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in this excerpt, the word \inferior\ most closely means a subordinate. …
A. subordinate
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scientists have determined both positive and negative effects of daydre…
D. becoming disconnected from real life events
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in this selection, the fur stole is a symbol. a symbol is something tha…
D. Miss Brill’s youth
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the following data show the ages of recent award - winning male actors …
| Age | No. of actors | |--------|---------------| | 20 - 29| 1 | | 30 - 39| 9 | | 40 - 49| 9 | | 50 - 59| 5 | | 60 - 69| 3 | | 70 - 79| 1 |
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what type of function is represented in the table? options: quadratic e…
linear
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juan recently entered into a contract for a cell phone plan. the table …
linear
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read the following original passage and answer the questions:emily sat …
1. c. A memory of lost friendships and broken promises 2. b. Ideas beyond the literal meaning 3. d. Using slang or casual language 4. b. Quotations or paraphrased content from the…
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after five months without success, drakes money was gone. some people c…
Clue 1: A burst of oil shot out of the ground! Clue 2: The image of the oil well (showing oil gushing as a strong stream)
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cpm8 advanced algebra: concepts and connections - block (27.0831030) mo…
The amount of protein the feed has if no oats are added
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question 9 - 1 point velma is examining the alcohol consumed by america…
8.0000
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scoobert is examining the time spent studying by college students. he c…
\(3.733\)
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given the frequency table below for the average number of minutes a dog…
94.47
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find the mode(s) of the following amounts (in thousands of dollars) in …
4,7
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given the following frequency table of values, is the mean or the media…
Mean
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what does ange\ mean in this passage? to make a home in a new place a v…
to journey over a large area
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here is the graph of a function. use the graph to complete the function…
Para \( x=-4 \), Output: \(-4\) Para \( x = 1 \), Output: \(-2\) Para \( x = 2 \), Output: \(0\)
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a significant figure is any digit of a number that is known for certain…
1.) 2 2.) 3 3.) 3 4.) 4 5.) 3 6.) 3 7.) 2 8.) 3 9.) 5 10.) 434 11.) 629 12.) 535 13.) 900 14.) 2000 15.) 0.69 16.) 3 17.) 16
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question 23 (1 point) listen how many significant figures are in 0.0065…
b) 4
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question 15 (1 point) listen which is correct if 0.01234 is rewritten i…
b) $1.234 \times 10^{-2}$
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11. inez waters her plants every two days. she trims them every 15 days…
In 30 days
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question 2 (1 point) listen which is correct if 15,390,000 is rounded t…
a) 15,000,000
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question 4 (1 point) listen after carrying out the operation (13.7 + 0.…
c) 3
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12. identify repeated reasoning an airport offers two shuttles that run…
4:18 P.M.
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the result of (3.8621 × 1.5630) − 5.98 is properly written as a) 0.06 b…
a) 0.06