the variance... Home PRACTICE ANOTH Login W HW #02-Ch... 17. [-/10 Points] DETAILS ChatGPT ASWSBE14 3.TB.3.012. https://www.... ChatGPT Y How to find t... C https://www.... Y How to find t... MY NOTES A certain engineering company hired the following number of Class 1 engineers during the first six months of the past year. (Assume the data represents a sample.) Number of Month Engineers Hired January 3 February 2 March 4 April 2 May 7 June 0 Using the above data, compute the mean, the median, and the mode. (a) Determine the mean, the median, the mode, and the range for the above data. mean median mode range (b) Compute the variance and the standard deviation. (Round your answers to three decimal places.) variance standard deviation 9 (c) Compute the first and the third quartiles. first quartile third quartile (d) Compute the z-scores for the months of May and June. (Round your answers to three decimal places.) May June 1,082 JAN 29 tv CE | ? Login W HW #02 - Ch... ChatGPT C https://www.... ChatGPT Y How to find t... https://www.... Y How to find t... the variance... Homework H... Submit Answer 15. [2/7 Points] DETAILS PREVIOUS ANSWERS ASWSBE14 3.TB.2.057. A researcher has obtained the number of hours worked per week during the summer for a sample of fifteen students. 38 23 33 28 18 38 28 18 38 8 28 18 8 3 18 Using this data set, compute the following. (a) median in hours per week 28 X hr/week (b) mean in hours per week 24.53 X hr/week (c) mode in hours per week 18,38 hr/week (d) 40th percentile in hours per week 18 hr/week (e) range in hours per week 35 hr/week (f) sample variance (Round your answer to two decimal places.) 76.26 X (g) standard deviation in hours per week (Round your answer to two decimal places.) 8.73 Xhr/week Viewing Saved Work Revert to Last Response Submit Answer 16. [0/4 Points] DETAILS PREVIOUS ANSWERS ASWSBE14 3.TB.5.005. 9 1,082 JAN 29 tv MY NOTES PRACTICE ANOTHER MY NOTES PRACTICE ANOTHER C? IMI KA