How often do students check their phones during class? A random
sample of 22 Students were selected to participate in a study to
see how often they check their phone during a 90 minute block.The
following data and summary statistics can be found below.
n = 22
mean = 41.909
SD = 21.638
min = 4
Q1 = 27
med = 44
Q3 = 60
max = 79
a.) Create a 90% confidence interval to estimate the true mean
number of times all students check their phones during a 90 minute
course.
State -
Parameter:
Confidence Level:
Plan -
Name of Procedure:
Check Conditions:
Do -
General formula for any confidence interval:
Specific formula for this confidence interval:
Plug numbers into the formula:
b.) Interpret the confidence level in the context of the
problem.
How often do students check their phones during class? A random sample of 22 Students were selected to participate in a
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How often do students check their phones during class? A random sample of 22 Students were selected to participate in a
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