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Statistics
Page 10
Questions (21,261)
your teacher surveyed the class to determine the number of hours that each student spent on social media. Your teacher created a
1 answer
asked anonymously
58 views
you use a line of best fit for 5 diffrent sets of data to make a prediction about an unknown value. the correlation coefficient
1 answer
asked by
Andrew willams
26 views
n a random sample of 400 watches, 3 are defective. Out of a total of 10,500 watches, how many would you expect to be defective
5 answers
asked by
myworldwha
36 views
The histogram shows the total number of children in different age groups at Paula’s Playcare.
Which two statements best
3 answers
asked anonymously
24 views
The shoe sizes for a varsity field hockey team are: 5.5, 5.5, 6.0, 6.5, 6.5, 7.0, 7.0, 7.5, 7.5, 7.5, 8.0, 8.0, 8.0, 8.5, 8.5,
1 answer
asked by
Bubin
26 views
The following data set represents the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car
1 answer
asked by
.
143 views
Loren’s friends jump as far as they can and record their results in inches. Their results include the observations 42, 47, 50,
1 answer
asked by
optinal
22 views
Using the frequency table below what percent of people surveyed were very satisfied or satisfied? Round to the nearest percent.
v
1 answer
asked anonymously
23 views
The average temperatures in December in Washington, D.C., from 1993 to 1998 are given as a dataset.
38.1, 44.2, 35.6, 43.0, 41.0,
3 answers
asked anonymously
34 views
Make a box-and-whisker plot of the data.
Average daily temperatures in Tucson, Arizona, in December: 67, 57, 52, 51, 64, 58, 67,
1 answer
asked anonymously
25 views
Use the table to answer the question. Favorite Pet Frequency Relative Frequency rabbit 3 dog 7 cat 8 bird 2 Maia and Myles make
2 answers
asked anonymously
33 views
Comparing Data Distributions Quick Check 1 of 51 of 5 Items Question Use the image to answer the question. The dot plots show
1 answer
asked by
Taymzzzz
39 views
Theo, Ara, Jose, and Dana all got 100 percent on their latest math test. Their scores on the previous six tests are listed.
1 answer
asked by
dale
27 views
These are the scores for two randomly selected lacrosse teams. Find the range of the number of goals scored by each team. Based
1 answer
asked by
dale
32 views
Question (3 points) The above distribution is . Therefore, the most appropriate measure of center would be the and the more
3 answers
asked anonymously
13 views
Use what you have learned about mutually inclusive and exclusive events.
Apply the formula for calculating the probability of
3 answers
asked anonymously
27 views
Luis wants to know what type of music 7th graders at SCCA like to listen to the most. There are 550 students in the 7th grade.
1 answer
asked anonymously
18 views
Summarize the variability of this dataset by calculating its range:
8, 15, 13, 10, 38, 19, 35, 7, 4, 10, 18, 21, 19, 33
1 answer
asked by
Wisepan
19 views
Question
Recognize the statistical question from among the four questions below. Which is the statistical question?(1 point)
1 answer
asked anonymously
16 views
Use the tables to answer the question.
Simon’s Results Number of White Balls Selected Number of Red Balls Selected Bowl A 5 15
1 answer
asked by
GOD
17 views
A local library manager randomly surveys 80 patrons about the type of book they borrow when they visit the library the manager
1 answer
asked anonymously
16 views
The city council wants to know if it's 56,000 residents favor the construction of the new athletic facility. Six hundred
1 answer
asked anonymously
16 views
Use the table to answer the question. Day of the Week Temperature Sunday 45 degrees Monday 52 degrees Tuesday 44 degrees
1 answer
asked by
connexus user
31 views
Use the table to answer the question.
Students Seacoast Mountains Totals 7th Grade 70 40 110 8th Grade 90 110 200 Totals 160 150
1 answer
asked anonymously
16 views
Which question shows variability in the answer?(1 point)
Responses Which social media site is most used by teenagers in your
1 answer
asked by
⊗WitherRosesNeverDie⊗
16 views
Use the tables to create scatterplots and determine which scatterplot shows a linear association.(1 point)
Responses x 5.0 4.6
1 answer
asked anonymously
11 views
You want to estimate the number of students who bring their lunch to school everyday. Which of the following is the best sample
1 answer
asked anonymously
13 views
The following data sets represent the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car
1 answer
asked anonymously
16 views
I'm having trouble understanding the difference between a biserial correlation coefficient and a tetrachoric correlation
1 answer
asked by
Anonymous
405 views
Find the range and the variance (correct to one decimal place). 78,91,93,93,99
1 answer
asked by
Anonymous
303 views
Find the mode or modes.
Last year, nine employees of an electronics company retired. Their ages at retirement are listed below.
42 answers
asked by
KEVIN
132 views
1. Find the mean, median, and mode of the data set:
15, 16, 21, 23, 25, 25, 25, 39 a.mean = 23.6, median = 25, mode = 24 b.mean =
27 answers
asked by
TTR+S<3
10,011 views
A normal population has mean 100 and variance 25. How large must the random sample
be if we want the standard error of the sample
5 answers
asked by
sam
5,300 views
28. You are surveying students to find out their opinion of the quality of food served in the school cafeteria. You decide to
80 answers
asked by
jksl
10,945 views
Statistics Unit Test
8 of 158 of 15 Items Question The stem-and-leaf plot shows the speeds of the fastest steel roller coasters
7 answers
asked anonymously
261 views
the frequency table below shows the hourly wages of 22 factory workers. how many are paid $10.50 per hour or more?
114 answers
asked by
lil
23,809 views
You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your
20 answers
asked by
HELP PLEASE
8,157 views
A distribution has a mean of 300 and a standard deviation of 25. If the z score of quartile 1 is -.7 and the a score of Q3 is
4 answers
asked by
Anonymous
1,275 views
mean of 21 and standard deviation of 1.2, what is the z-score of 21
No clue how to figure this out
4 answers
asked by
Patricia
1,626 views
The life expectancy (in hours) of a fluorescent tube is normally distributed with a mean 8000 and a standard deviation 1000.
6 answers
asked by
Gen
5,154 views
The data shows the number of seconds it took two randomly selected groups to thread a needle. Compare the measures of center and
1 answer
asked by
Math
324 views
Display the following dataset in a histogram. Use five bins, beginning with 60 and going by intervals of 2.
70, 61, 60, 64, 70,
3 answers
asked by
Imagine being 3 years older but still smaller lmao
212 views
The following data set represents the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car
2 answers
asked by
Math
427 views
Determine whether the range or interquartile range best describes the spread of a dataset.
The times (in seconds) for a high
3 answers
asked by
fnaf
249 views
The table shows the distribution, by age, of a random sample of 3990 moviegoers ages 12-74. If one moviegoer is
5 answers
asked by
Beth
11,584 views
Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25.
Find the
4 answers
asked by
louise
3,614 views
Suppose that X_1=\Theta +W_1 and X_2=2\Theta +W_2, where \Theta ,W_1,W_2 are independent standard normal random variables. If
2 answers
asked anonymously
139 views
Construct a scattershot and identify the mathematical model that best fits the data. Assume that the model is to be used only
7 answers
asked by
Boooo7
139 views
Maritza plays in a softball league. She wants to know about how many players in the league also play basketball. Because there
4 answers
asked by
Yo mama
195 views
The values of several houses on Mango Street are displayed on the table. What is the median value of these houses?
Valure per
2 answers
asked by
Yo mama
230 views
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