The following is a set of data from a sample of n = 11 items. Complete parts (a) through (c).12 261240 26 38226136201319 11XY2613a. Compute the sample covariance.(Round to three decimal places as needed.)16810 1055***

Solution-:Given data: XY126261312626134020261338192211168105105(a) We want to compute the sample…

Answered: The following is a set of data from a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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only b,c,d,e. Thank you.
Ensure the RaceResults worksheet is active, then use the FREQUENCY function to calculate the frequency distribution of the race results in column D. Place your results in the range G4:G9. Enter a function in cell F22 to calculate the correlation between age (Columns C) and race time (Column D). Enter a function in cell G22 to calculate the covariance between age and race time. Enter a function in cell H22 to calculate the variance of the ages in the data set. Note this is a sample of data not a population. Enter a function in cell 122 to calculate the standard deviation of the ages in the data set.
R2
24 The following list is a set of data ordered from smallest to largest. All values are integers. 2 12 y y y 15 18 18 19 I. The median and the first quartile cannot be equal. I. The mode is 18. II. 2 is an outlier. Which of the following must be true? * I and III only I only O Il only O II only
The data to the right represent the number of chocolate chips per cookie in a random sample of a name brand and a store brand. Complete parts (a) to (c) below. Full data set D Name Brand Store Brand 20 23 26 24 28 19 21 27 33 28 33 15 29 22 25 17 22 21 22 30 20 26 23 24 25 27 ... (a) Draw side-by-side boxplots for each brand of cookie. Label the boxplots "N" for the name brand and "S" for the store brand. Choose the correct answer below. OA. OB. OC. N- N- N- 10 20 30 40 10 20 30 40 10 20 30 40 (b) Does there appear to be a difference in the number of chips per cookie? O A. Yes. The store brand appears to have more chips per cookie. O B. No. There appears to be no difference in the number of chips per cookie. O C. Yes. The name brand appears to have more chips per cookie. O D. There is insufficient information to draw a conclusion. (c) Does one brand have a more consistent number of chips per cookie? O A. No. Both brands have roughly the same number of chips per cookie. O B. Yes. The…
Let x be the average number of employees in a group health insurance plan, and let y be theaverage administrative cost as a percentage of claims. The following data is based on a randomsample:x 5 7 15 25 35y 40 35 30 20 25a. Plot a scatter diagram of the above data.b. Estimate the sample correlation coefficient r as positive, zero, or negative.c. Interpret your results from parts a. and b.
Complete the stemplot for the following data. 29 27 19 25 10 21 33 23 38 15 23 30 13 19 23 13 22 38 28 24 31 29 42 22 46 19 13 28 45 23 1# | 033359992# | 122333345788993# | 013884# |
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The following is a set of data from a sample of n = 11 items. Complete parts (a) through (c). 12 26 12 10-> 6 26 40 26 38 22 16 13 20 13 13 6 19 11 8 5 X Y a. Compute the sample covariance. 10 5