[Answered] A population of scores has = 44 . In this population, a score of X = 40 corresponds to z = 0.50 . ...

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arivle123

Hero Member
Posts: 569

on: Jun 20, 2018

A population of scores has = 44 . In this population, a score of X = 40 corresponds to z = 0.50 . What is the population standard deviation?

a. 2 c. 8
b. 4 d. 8

Question 2

You have a score of X = 65 on an exam. Which set of parameters would give you the best grade on the exam?

a. = 60 and = 10 c. = 70 and = 10
b. = 60 and = 5 d. = 70 and = 5

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emily12345

Sr. Member
Posts: 321

Reply #1 on: Jun 20, 2018

Answer to Question 1

C

Answer to Question 2

B

arivle123

Hero Member
Posts: 569

Reply #2 on: Jun 20, 2018

Thank you!

emily12345

Sr. Member
Posts: 321

Reply #3 on: Jun 20, 2018

Happy to help

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