Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows. # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 5     1 9     2 6     3 4     4 1     Table 2.67 Construct a histogram of the data. Complete the columns of the chart.

Find the midrange for the following group of data items. 112, 52, 82, 52, 72 ​(Round to the nearest tenth as​ needed.)

Which of the following is NOT an example of cross-sectional data?

Describe the shape of the data presented: Number of students 10 9 8 87 3 2 1 0 0 Hours Spent Playing Video Games on Weekends 5 10 15 20 25

es During one year, the numbers of motorcycle accidents in a certain country were tabulated by day of the week for built-up roads and non-built-up roads. The data are shown in the table below. Complete parts (a) and (b) below. Click the icon to view the number of motorcycle accidents for different road types. (...) a. Without doing any calculations, make an educated guess at which of the two data sets, built-up or non-built-up, has the greater variation. The data set has greater variation, because the data set b. Find the range and sample standard deviation of each of the two data sets. Compare your results here to the educated guess that you made in part (a). Find the range of the two data sets. ce The range of accidents on built-up roads is burc The range of accidents on non-built-up roads is. (Type whole numbers.) Find the sample standard deviation of the two data sets. ons Time Remaining: 01:42:44 Next on To Statcrunch 70°F Sunny Et e here to search

Construct a scatter plot for the following data set. Solve for the correlation coefficient, r. Show your work and explain the steps you used to solve. Round your answer to the nearest thousandth. I 2 3 4 4 3 2 1

q26-  Which of the following charts shows the five numbers summarising the distribution of a variable in a dataset? a. A boxplot b. A histogram  c. A cumulative histogram d. A scatter plot

The following set of data represents the number of orders filled by a national-chain restaurant during a two week period. Construct a five number summary for the the data.   66, 75, 68, 89, 86, 73, 67, 75, 75, 82, 85, 74, 67, 61 (Round to the nearest hundredth, if needed).    Min _________________ Lower Quartile _________________ Median __________________ Upper Quartile _________________ Maximum __________________   What is the range and the interquartile range (IQR)?  Range __________________ Interquartile Range (IQR)  ___________________

Do b

Consider the data set: 7 8 4 2 1 3 9 3   Find the mean:   (Round your answer to 3 decimal places if necessary) Find the median:     (Round your answer to 3 decimal places if necessary)