What does brand loyalty mean to consumers? According to a recent research report, 38% of consumers associate trust with brand loyalty. Complete parts (a) through (e) below. a. To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within ±0.04 of the population proportion, how large a sample size is required? A sample size of 566566 consumers is required. (Round up to the nearest integer.) b. To conduct a follow-up study that would provide 99% confidence that the point estimate is correct to within ±0.04 of the population proportion, how many people need to be sampled? A sample size of 978978 consumers is needed. (Round up to the nearest integer.) c. To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within ±0.02 of the population proportion, how large a sample size is required? A sample size of 22632263 consumers is required.
What does brand loyalty mean to consumers? According to a recent research report, 38% of consumers associate trust with brand loyalty. Complete parts (a) through (e) below. a. To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within ±0.04 of the population proportion, how large a sample size is required? A sample size of 566566 consumers is required. (Round up to the nearest integer.) b. To conduct a follow-up study that would provide 99% confidence that the point estimate is correct to within ±0.04 of the population proportion, how many people need to be sampled? A sample size of 978978 consumers is needed. (Round up to the nearest integer.) c. To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within ±0.02 of the population proportion, how large a sample size is required? A sample size of 22632263 consumers is required.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
What does brand loyalty mean to consumers? According to a recent research report,
38%
of consumers associate trust with brand loyalty. Complete parts (a) through (e) below.
a.
|
To conduct a follow-up study that would provide
95%
confidence that the point estimate is correct to within
±0.04
of the population proportion, how large a |
A sample size of
566566
consumers is required.(Round up to the nearest integer.)
b.
|
To conduct a follow-up study that would provide
99%
confidence that the point estimate is correct to within
±0.04
of the population proportion, how many people need to be sampled? |
A sample size of
978978
consumers is needed.(Round up to the nearest integer.)
c.
|
To conduct a follow-up study that would provide
95%
confidence that the point estimate is correct to within
±0.02
of the population proportion, how large a sample size is required? |
A sample size of
22632263
consumers is required.(Round up to the nearest integer.)
d.
|
To conduct a follow-up study that would provide
99%
confidence that the point estimate is correct to within
±0.02
of the population proportion, how many people need to be sampled? |
A sample size of
39213921
consumers is needed.(Round up to the nearest integer.)
e.
|
Discuss the effects of changing the desired confidence level and the acceptable sampling error on sample size requirements. Select all that apply.
|
The higher the level of confidence desired, the larger is the sample size required.
The higher the level of confidence desired, the smaller is the sample size required.
The smaller the sampling error desired, the smaller is the sample size required.
The higher the sampling error desired, the larger is the sample size required.
The smaller the level of confidence desired, the larger is the sample size required.
The smaller the sampling error desired, the larger is the sample size required.
There are no effects on the sample size requirements.
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