Concept explainers
(a)
Check whetherit would be appropriate to construct a one sample t
(a)
Answer to Problem 74E
It is not appropriate to construct a one sample t interval to estimate the population mean.
Explanation of Solution
In the statement (a) the population sample is equal to the total population thus population mean can be calculate directly.
Hence, it is not appropriate to construct a one sample t interval to estimate the population mean.
(b)
Check whether it would be appropriate to construct a one sample t interval to estimate the population mean.
(b)
Answer to Problem 74E
It is not appropriate to construct a one sample t interval to estimate the population mean.
Explanation of Solution
In statement (b) the sample taken are not random. Thus construction of the confidence interval is not possible.
Hence, it is not appropriate to construct a one sample t interval to estimate the population mean.
(c)
Check whether it would be appropriate to construct a one sample t interval to estimate the population mean.
(c)
Answer to Problem 74E
It would be appropriate to construct a one sample t interval to estimate the population mean.
Explanation of Solution
To find a confidence interval three conditions should be satisfied. Conditions are Random, Independent and Normal.
Since the sample are collected randomly thus, the condition of random is satisfied.
The
The condition for normal is also satisfied since the sample size larger than 30.
Hence, it would be appropriate to construct a one sample t interval to estimate the population mean.
Chapter 8 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics for Business and Economics (13th Edition)
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