Consider the women's 100-yd dash (and the subsequent 100-m dash) in the Olympics since records have been kept. Determine the best way to combine all data and depict the data. Choose the correct answer below. O A. Astem and leaf plot would be the best way to show all of the data grouped by race times. O B. A line graph would be the best way to show all of the data over time, but some measurements would have to be converted to display the 100-yd and 100-m on the same graph. OC. Ahistogram would show all of the data by comparing each year. The units of distance would not matter. O D. A scatterplot would show the relationship between the 100-yd dash and the 100-m dash.

The final letter grades earned on a mathematies course are given in the table below. A B C D F W 12 20 10 4 Use a pie chart to represent this data. Write down the work leading to your answer. The last page has a protractor which you may print and use.

A small organic chemistry class just took their midterm. The scores of the eight students are listed below. 65, 73, 78, 85, 87, 69, 90, 32 What type of graph could you use to represent this data? A. histogram B. bar chart C. pie chart D. stem and leaf E. All of the above O F. A and D only G. B and C only Click to select your answer. O O

The ages (in years) and helghts (in inches) of all pitchers for a beseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. -Click the Icon to view the data sets. CV. %D Round to one decimal place as needed.)

The speed, in miles per hour, of Mario's serves during tennis practice is shown in the stem-and-leaf plot below. a. What is the range of the speeds, in miles per hour, of Mario's tennis serves?  Show or explain how you got your answer. b.What is the mode of the speeds, in miles per hour, of Mario's tennis serves?  Show or explain how you got your answer. c.What is the median speed, in  miles per hour, of Mario's tennis serves?  Show or explain how you got your answer. d. The speed of one additional tennis serve will be added to Mario's stem-and-leaf plot.  What is the greatest amount, in miles per hour, the median speed can change?  Show or explain how you got your answer.

Refer to table to answer question.

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

Consider the woman's 100  Your - and the subsequent 100 meter - in the Olympics since records have been kept determined the best way to combine all the data in depict the data would you use a histogram A-line graph a stem and leaf plot or a scatterplot

Answer the questions for the data in the table below. x 012578 y 1 3 5 6 10 9 a. Draw a scatter diagram for the data. Should the value of r be positive or negative? Explain. b. Calculate the value of r. Round your answer to 3 decimal places. r =

4. Use this data from the HANES5 survey to estimate the average weight of men 18 and over whose heights were 73 inches. average height: 69 inches average weight: 190 pounds r = 0.41 SD 3 inches SD 42 pounds