how do I get Z score? Homework: Week 3 Assigniment Save Score: 0.5 of 1 pt 13 of
ID: 3070723 • Letter: H
Question
how do I get Z score?
Homework: Week 3 Assigniment Save Score: 0.5 of 1 pt 13 of18 (1B complete) HW Score: 87.04%, 15.67 of 18 pts & 3.4.7 Question Help With a height af 67 in, Marvin was the shortest president of a particular dub in the past century. The cub presidents of the pest century have a mean height of 75.8 im and a standard deviation of16 in. a. What is the positive difference between Marvin's height and the mean? b. How many standard deviations is that [the difference found in part (a)? e. Convert Marvin's height to a z soore. d. Mwe consider "usual" heights to be those that convert to z scores between -2 and 2, is Marin's hoight usual or unusual? a. The positive difference batwoen Marvin's height and the mean is 8.8 in. b. The difference is 5 50 standard deviations (Type an intager or decimal roundec to two decimal places as needed.) C. The z score as (Type an integer or decimal rounded to two decimal places es needed)Explanation / Answer
We can get z score by dividing the difference of mean and given value from standard deviation. The same thing we did in part b but we need to be careful about the sign.
Here,
z - score = (67 - 75.8)/1.8 = -5.50
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.