[ad_1]
stat q1
Consider the flowing test of hypotheses.
H o: μ >=2,150
H A: μ<2,150
α=0.05
If the true population mean is 2, 145, determine value of beta. Assume a normal population with standard deviation of 99 and sample size of 81
stat q2
in 2004, a sample of 250 household in NY showed that 62 paid their monthly phone bills by debit card. in 2009 a sample of 350 household in the same city showed that 110 paid their monthly phone bill by debit card. Based on the sample data, can we conclude that there is difference between the population proportion of 2004 household and 2006 household in the same city?
a. determine the sample size are large enough.
b. conduct the appropriate hypothesis test. Report with p-value, would null hypothesis be rejected?
c. calculated pooled estimated for overall.
stat q5
Overweight people often become desperate because they different diets without success. Sara, a nutritionist wishes to test the efficiency of one –month diet program being undertaken by 7 candidates .she recorded their weights at the start and end of the program .the result is shown as bellow
|
S.NO |
Before |
After |
|
1 |
68 |
65.5 |
|
2 |
78 |
74.2 |
|
3 |
95 |
90.1 |
|
4 |
85 |
80.3 |
|
5 |
69 |
66.3 |
|
6 |
64 |
61.9 |
|
7 |
73 |
70.1 |
At α=0.02 to test the efficiency of the diet program. Assume normal distribution for the paired difference
“. WITH homeworkcrew.com.com TODAY AND GET AN AMAZING DISCOUNT”
The post stat-3qs appeared first on homeworkcrew.com.com.
stat-3qs was first posted on August 1, 2020 at 10:03 am.
©2020 "homeworkcrew". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at homeworkcrew.com@gmail.com
[ad_2]
Source link
"96% of our customers have reported a 90% and above score. You might want to place an order with us."
