@=me., please check and show work 21) for a random sample of n=203 adults in a s
ID: 2915484 • Letter: #
Question
@=me., please check and show work
21) for a random sample of n=203 adults in a survey, here is asummary of responses to "how long did you sleep last night"
variable N mean stdev
sleeppp 203 6.42 1.56
what confidence level would be associated with the interval6.42±0.11 as a confidence interval for the populationmean?
a. 50%
b. 68% @
c. 90%
d. 95%
22) the cholesterol levels of a random sample of 100 men aremeasured. The sample mean is 188 and the sample standard deviationis 40. which of the following provides a 95% confidence intervalfor the population mean?
a)188 does not equal (1.96)(0.4)
b)188 does not equal (1.96)(4) @
c)188 does not equal (1.96)(40)
d)188 does not equal (1.96)(4000)
Explanation / Answer
21) for a random sample of n=203 adults in a survey, here is asummary of responses to "how long did you sleep last night"
variable N mean stdev
sleeppp 203 6.42 1.56
what confidence level would be associated with the interval6.42±0.11 as a confidence interval for the populationmean?
a. 50%
b. 68% @
c.90%
d. 95%
22) the cholesterol levels of a random sample of 100 men aremeasured. The sample mean is 188 and the sample standard deviationis 40. which of the following provides a 95% confidence intervalfor the population mean?
a)188 does not equal (1.96)(0.4)
b)188 does not equal(1.96)(4) @
c)188 does not equal (1.96)(40)
d)188 does not equal (1.96)(4000)
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.