A researcher hypothesizes that the general population has a mean of u = 50 on some variable of interest. To test this hypothesis, the researcher collects data from a sample of n = 16 participants. The sample mean is then calculated to be M = 55 with sample standard deviation of s = 3. Using a two-tailed hypothesis test with a = .05, which of the following lists the correct values of a 95% confidence interval? 23.40 to 52.60 2.13 to 1.60 53.40 to 56.60 54.99 to 58.60

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A researcher hypothesizes that the general population has a mean of u = 50 on some
variable of interest. To test this hypothesis, the researcher collects data from a sample
of n = 16 participants. The sample mean is then calculated to be M = 55 with sample
%3D
standard deviation of s = 3.
Using a two-tailed hypothesis test with a = .05, which of the following lists the correct
values of a 95% confidence interval?
23.40 to 52.60
2.13 to 1.60
O 53.40 to 56.60
54.99 to 58.60
Transcribed Image Text:A researcher hypothesizes that the general population has a mean of u = 50 on some variable of interest. To test this hypothesis, the researcher collects data from a sample of n = 16 participants. The sample mean is then calculated to be M = 55 with sample %3D standard deviation of s = 3. Using a two-tailed hypothesis test with a = .05, which of the following lists the correct values of a 95% confidence interval? 23.40 to 52.60 2.13 to 1.60 O 53.40 to 56.60 54.99 to 58.60
The value indicating a distribution's 50th percentile (also known as the midpoint) is the:
average
mean
median
range
Transcribed Image Text:The value indicating a distribution's 50th percentile (also known as the midpoint) is the: average mean median range
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