[Answered] Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 ...

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Author Question: Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 ... (Read 70 times)

urbanoutfitters

Hero Member
Posts: 530

on: Jun 20, 2018

Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 is

A) 0.54
B) 3.04
C) 7.49
D) 83.34

Question 2

If the unbiased estimate of the population's variance is 15, the variance of the distribution of means is

A) 15/20 = 0.75
B) 15/19 = 0.79
C) 152/20 = 11.25
D) 152/19 = 11.84

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Marked as best answer by a Subject Expert

leannegxo

Sr. Member
Posts: 374

Reply #1 on: Jun 20, 2018

Answer to Question 1

B

Answer to Question 2

A

urbanoutfitters

Member
Posts: 530

Reply 2 on: Jun 20, 2018

Gracias!

apple

Member
Posts: 352

Reply 3 on: Yesterday

Wow, this really help

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