Register
Mr. Gray’s quiz was normally distributed with a mean of 25 and a standard deviation of 10 find z- scores for each of the following. (a) 40 (b) 27 (c) 6
68.8k views
1 vote
Mr. Gray’s quiz was normally distributed with a mean of 25 and a standard deviation of 10 find z- scores for each of the following.

(a) 40 (b) 27 (c) 6

User Yehuda
by
8.4k points

1 Answer

5 votes
Hello!

Z= x-u/sd

(a) x = 40
z = 40-25 / 10 = -15/10 = -1.5

(b) x = 27
z = 27-25 / 10 = 2/10 = 0.2

(c) x = 6
z = 6-25 / 10 = -19/10 = -1.9

Hope that helped
User Fahed
by
8.1k points
← Prev Question Next Question →

Related questions

User GunJack
asked Sep 28, 2024 25.5k views
How does Dorian Gray’s inability to age save him from justice and not his conscious
GunJack asked Sep 28, 2024
by GunJack
7.4k points
1 answer
5 votes
25.5k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!