Author Question: Construct cumulative frequency and cumulative percent distributions of the data. What will be an ... (Read 103 times)

Caiter2013 · **on:** Jun 24, 2018

Construct cumulative frequency and cumulative percent distributions of the data.

What will be an ideal response?

Question 2

Let the random variable Z follow a standard normal distribution, and let z1 be a possible value of Z that is representing the 10th percentile of the standard normal distribution. Find the value of z1.

A) 0.255
B) -0.255
C) 1.28
D) -1.28

frre432 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

Number of people Cumulative Frequency Cumulative
< 17 1 5
< 24 4 20
< 31 10 50
< 38 13 65
< 45 16 80
< 52 19 95
< 59 20 100

Answer to Question 2

D