统计与概率
数据分析、概率分布、假设检验与统计方法。
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the mean shoe size of the students in a math class is 7.5. most of the …
1.5
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the data set represents the number of miles mary jogged each day for th…
A. 0
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the data set below has a lower quartile of 13 and an upper quartile of …
D. Both 1 and 78 are outliers.
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each of 8 students reported the number of movies they saw in the past y…
(a) 13 movies (b) 12.4 movies
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the box plots compare the number of students in mr. ishimotos classes a…
- Both box plots show the same range. - Mr. Ishimoto had the class with the greatest number of students. - The smallest class size was 24 students.
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the interquartile range of the data set is 4. 2, 2, 3, 3, 4, 5, 5, 6, 7…
A. Twelve is an outlier because it is greater than the sum of 7 and 4.
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read the line from grendel. i was safe in my tree, and the men who foug…
first - person narrative showing Grendel's perspective.
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arrange the pieces to emphasize whom/what the action was done to. do no…
Nami's magic wands were placed back on the shelf by me.
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arrange the pieces below to emphasize who/what did the action. do not c…
I make the desserts at Gwen Stacy's five - star restaurant.
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which word contains a word root that means \believe\? credential dictio…
credential
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows nonlinear correlation because as the plotted values of $x$ increase, the values of $y$ generally decrease.
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select the correct answer from each drop - down menu |hemoglobin level|…
The probability of being 25 - 35 years old given a hemoglobin level above 11: $\frac{44}{153}\approx0.29$ The probability of being 25 - 35 years old: $\frac{128}{429}\approx0.30$ …
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the wellness benefits of the great outdoors by andrew avitt office of c…
D. provided
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raquel and van live in two different cities. as part of a project, they…
A. Raquel's data are most likely closer to $3.42 than Van's data are to $3.78.
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mel slides down waterslide a, and victor slides down waterslide b. afte…
Mel's rate of change is - 5. That means that her height in the air decreases 5 feet every second. Victor's rate of change is $-\frac{10}{3}$. That means that his height in the air…
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use the percentiles flow chart interactive to answer the following ques…
A. The IQ score that is midway between the 70th and 71st scores in the sorted list
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use the accompanying radiation levels (in $\frac{w}{kg}$) for 50 differ…
$0.89$
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the data set represents the number of snails that each person counted o…
A. 6
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a basketball team played six games. in those games, the team won by 8 p…
2
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raquel and van live in two different cities. as part of a project, they…
Raquel's data are most likely closer to $3.42$ than Van's data are to $3.78$.
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which of the following is a counterexample for this conditional stateme…
a King
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bryant collects a set of 20 values that represent the lengths of worms …
B. 6
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arrange the pieces below in two ways without changing the meaning or te…
1. The team captain will present Lamine Yamal's Most Valuable Player trophy at tonight's banquet. 2. At tonight's banquet, the team captain will present Lamine Yamal's Most Valuab…
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listed below are the measured radiation absorption rates (in w/kg) corr…
$0.51, 0.59, 0.98, 1.27, 1.44$
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a certain store sells t - shirts in 5 colors. the number of t - shirts …
(a) yellow, 2 (b) 7 (c) 3
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the numbers 1, 2, 3, 4, and 5 are written on slips of paper, and 2 slip…
(a) $\frac{1}{2}$ (b) $\frac{1}{2}$
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what should a writer avoid when writing a concluding statement? (1 poin…
They should avoid sharing relevant quotes and statistics.
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the snowy slopes ski resort kept track of the amount of snow that fell …
$\frac{1}{4}$
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find the range of this data set: 64, 43, 38, 60, 57, 34, 52
$30$
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find the range of this data set: 48, 71, 86, 92, 47, 56, 99
\(52\)
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brutus. words before blows: is it so, countrymen? octavius. not that we…
bitter
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cassius. coming from sardis, on our former ensign two mighty eagles fel…
What is the overall tone of this passage? foreboding Which words help to establish the tone? sickly prey and shadows How do the words create the tone? They have dark, ominous conn…
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determine word meanings using context clues 3 - quiz - level f ready co…
to remove something
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thirty - four high school students were surveyed and asked how many sib…
Count the number of dots for 0 and 1 siblings. There are 3 dots for 0 siblings and 14 dots for 1 sibling, so 3 + 14=17 students have fewer than 2 siblings. The percentage is \(\fr…
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which statements describe the shahs rule of iran in the 1950s and 1960s…
He invested in industrialization and modernization. He suppressed free speech and other civil liberties. He signed lucrative oil deals with Western countries. He established a lan…
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24. francisco made only one mistake on his homework. describe the mista…
Francisco made a mistake in the distribution step. The correct solution of the equation \(3(x - 7)=5x - 11\) is \(x = - 5\).
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you roll a die and spin the spinner. how many outcomes are possible?
12
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the following are the ratings of men by women in an experiment involvin…
3.0, 6.0, 6.5, 8.5, 10.0
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the graph shows a distribution of data. what is the variance of the dat…
No se puede determinar con la información proporcionada. La gráfica muestra una distribución de datos, pero no se dan los valores reales de los datos, ni parámetros como la media,…
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if necessary, rearrange the pieces below so that the sentence is in the…
I will sing Harley Quinn's favorite show tunes.
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3) a shipment of 17 television sets contains 4 defective sets. a hotel …
D. 0.8613
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a national chain of department stores ranks its 1,000,000 salespeople b…
(a) About 84% of the salespeople had sales higher in value than Mary. (b) Michael's sales were higher in value than Mary's sales.
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in the venn diagram below, b and d are events in the sample space s. (n…
Shade the part of circle $D$ that is outside of circle $B$.
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the following data are the numbers of miles of bike lanes per square mi…
a. Stem - plot: Stem | Leaf ---|--- 1 | 5 2 | 2 6 7 8 9 3 | 0 7 7 4 | 3 b. 7 c. 0.3 d. 3.7
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review the story. leo arrived, offering to walk newt to his marking. cy…
Newt and the reader already have an idea about what his Mark will mean.
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the students in marlys math class recorded the dimensions of their bedr…
The histogram is right - skewed, so the mean is greater than the median.
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question 6 of 10 which of the following activities are examples of data…
A. Rejecting extreme data B. Drawing a pie chart to show the percentage of sunny days, rainy days, and cloudy days without precipitation C. Summing the number of days with precipi…
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when the production manager finds the average life of her bulb - lifeti…
D. Data analysis
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question 4 of 10 a basketball coach watches video of past games and not…
D. 0 - 44
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students in 10th and 11th grade were asked whether they have a job. the…
Given that a student is a 10th grader, there is a 14% chance he or she has a job.
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the dot plot shows the number of text messages mr. garcia sent each day…
The graph is nearly symmetrical
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the conditional relative frequency table was generated using data that …
36
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suppose a poll of 1150 adults asked whether increasing domestic energy …
a. $\frac{533}{1150}$ b. $\frac{62}{575}$
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the table shows the heights, in inches, of players on a girls basketbal…
69
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a census was conducted that determined the land area and populations of…
$a = 0.93$ $b = 1.08$
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the data show the number of pieces of mail delivered to a single home a…
B. A dot plot would show 7 points for numbers greater than 2. C. The intervals on a histogram should be 0 to 2, 3 to 4, and 5 to 6.
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weekend curfews determine the values of the letters to complete the con…
$a = 0.1$ $b = 0.85$
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the graph shows the number of pages in each chapter of a book that josh…
The outlier of 2 decreases the mean page count.
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a mini - golf course is determining the par score for each of its holes…
The mean is the best choice because the data is nearly symmetrical.
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quinn mailed four postcards that each cost $0.25, five letters that eac…
the cost of the small package
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colin surveyed 12 teachers at his school to determine how much each per…
The mean is equal to the median, so the data is symmetrical.
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there are 8 sophomores on the academic team. at the last competition, t…
79%
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the conditional relative frequency table below was generated by column …
There is an association because the value 0.15 is not similar to the value 0.55.
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the conditional relative frequency table was generated by row using fre…
There is likely an association because 0.8 is not similar to 0.2.
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which value for y in the table would be least likely to indicate an ass…
0.24
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the conditional relative frequency table was calculated by row using da…
Given that the program was targeted at adults, there is a 37.5% chance that it was recorded.
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paint color preference | | children | adults | total | |--|--|--|--| | …
0.85
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2. \jack was the first to make himself heard. he had not got the conch …
Este detalle muestra la rebeldía de Jack y预示着 un conflicto futuro con Ralph, quien defiende las reglas y el orden.
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select the answer that best completes the given statement. the notation…
inverse
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first and last name english language arts subject legacy college prep u…
# Breve Explicación: Se pide responder preguntas sobre un pasaje de "El Señor de las Moscas". Se deben resaltar detalles del texto y analizar la intención del autor. # Respuesta: …
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using the data below, eve created a conditional relative frequency tabl…
Eve's table shows that those who enjoy dancing are likely girls. Bob's table shows that boys are likely to not enjoy dancing. The percentage of someone being a girl, given that th…
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which of the following means \to get dressed\? (1 point) ducharse secar…
vestirse
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which of the following means the opposite of nervioso? (1 point) elegan…
D. tranquilo
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4. now form a frequency distribution for the data. add more rows if nee…
a. $\bar{x}\approx6.93$ b. $s\approx1.50$ c. $Min = 4$ d. $Max = 10$ e. $Median = 7$ f. $Q_1 = 6$ g. $Q_3 = 8$ h. $IQR = 2$ i. $Mode = 8$
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claire fills a jar with homemade granola to give as a gift. the graph s…
increases by 5 oz
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what does se acuestan mean? (1 point) we go to bed she goes to bed they…
they go to bed
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a group of 7 students was asked, \how many hours did you watch televisi…
$12.7$
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claire fills a jar with homemade granola to give as a gift. the graph s…
The weight of the empty jar is 10 ounces.
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sentinel has the same or almost the same meaning as: eccentric administ…
C. lookout
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returning to the text • reread the informational text to answer these t…
1. The "Whereas" statements provide background and justification to set up the following principles. 2. Children need advocates as they are vulnerable and lack the power to protec…
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they avoided looking at me and were very scornful of a civilian my age.…
C. a nonmilitary citizen
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each of 8 students reported the number of movies they saw in the past y…
$12.9$
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i would purposely let my mind wander to take me far away from the curre…
occurring in or belonging to the present time
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a pet store has 6 cats. here are their weights (in pounds). 6, 6, 9, 10…
$8.3$
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now wafting from beyond the grave, his voice takes an uncanny lilt. sou…
B. unearthly
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the leading publishing houses are now competing vigorously in bringing …
C. energetically
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a number cube with faces labeled from 1 to 6 will be rolled once. the n…
Sample space: $\{1,2,3,4,5,6\}$ Event of rolling the number 2: $\{2\}$
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a bag has five balls labeled a, b, c, d, and e. one ball will be random…
Sample space: A, B, C, D, E Event of choosing a letter from A to C: A, B, C
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as ludicrous as it sounds, he knows that the idea makes sense. in the s…
C. ridiculous
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a number cube with faces labeled from 1 to 6 will be rolled once. the n…
Sample space: {1,2,3,4,5,6} Event of rolling an even number: {2,4,6}
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i am vulnerable enough; i will keep what dignity i can. source: the cru…
D. respectability
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the stem - and - leaf plot below gives the test scores for the 20 stude…
(a) 70 (b) 2 (c) 98
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the stem - and - leaf plot below gives the amount of money spent by eac…
(a) 2 (b) 30 (c) 58
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current has the same or almost the same meaning as: biased slick modern…
C. modern
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4. now form a frequency distribution for the data. add more rows if nee…
a. $\frac{3}{5}$ b. $\frac{2}{15}$ 13. $\frac{204}{2030}$ 14. $\frac{192}{203}$
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a machine at the candy factory dispensed different numbers of lemon - f…
The heights of the bars for the intervals 20 - 39, 80 - 99 should be set to 1 and 2 respectively.
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which of the following data are most likely right skewed? i. heights of…
A. II only
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obrien seems to have doubts about whether steve is useful. she shows th…
the description of O'Brien before the dialogue, her giving orders to Steve instead of asking him to behave a certain way
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name zydiyah suber per 8th date sep 20, 2025 mr. pinnock define the fol…
1. Lucrative: Producing a great deal of profit. 2. Inevitably: As is certain to happen; unavoidably. 3. Clique: A small exclusive group of people. 4. Fallacy: A mistaken belief, e…
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or students who responded to the survey. how many females responded to …
52