Calculate coefficient of variation and Karl Person's coefficient of skewness from the data given below: Marks No. of students Less than 30 18 Less than 40 40 Less than 60 70 Less than 80 90 Less than 100 100

Which set of variables has correlation and causation? A. distance traveled and money spent on gas B. distance traveled and money spent on snacks C. distance traveled and number of drinks consumed D. distance traveled and time spent listening to music

Which table does not show bivariate data? Helght (inches) Welght (pounds) 39 50 48 70 60 90 Frequency Quiz Average 70 12 80 15 90 6. Speed (mph) Distance (miles) 40 80 50 120 55 150 Gallons Miles Driven -15 300 20 400 25 500

d. Estimate the blood pressure of the student if his stress test score is 80, 60, and 85.

Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction. Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter NONE in any unused answer blanks.) Are there any outliers? A. Yes, 1.0 may be an outlier. B. No, there are no outliers.     C. Yes, 29.8 may be an outlier.

A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children, measures their height and head circumference, and obtains the data shown in the table. The pediatrician wants to use height to predict head circumference. Compute the linear correlation coefficient between the height and head circumference of a child. Height Head Circumference (inches) (inches) 27.5 25 (Round to three decimal places as needed.) 17.3 17.1 26 25.25 27.25 26.75 25.75 27 25 17.2 17 17.6 17.4 17.2 17.3 Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer Type here to search TOUG Panasonic CF-54 CDSS-4852 TERMO TOGA O O O O D () Scre Loc PrtSc Num Lock F10 F11 F12 F7 F8 F9 SysRq F5 F6 F3 F4 A 8 F1 F2 Esc & 7 0 8 B 90 5 A2 24 近 %#3

Consider the following data. −1,2,2,−4,−4,−1−1,2,2,−4,−4,−1 Determine the mean of the given data.

L4Q2.Which one of the following scatter plots best describes the given data?

Is the variable(foot print) below normally distributed or skewed? If skewed, indicate the direction.   male shoe print #1 32.2 #2 30.1 #3 29.0 #4 31.8 #5 29.4

Place the following data in a stem and leaf plot. 137 129 116 114 130 121 124 135 139 132 117 You can draw the stem and leaf plot on paper and then check your answer against the solution. You don't have to put anything in the answer box. A 13