If the 95 percent confidence interval around a sample mean of 8.24 is 7.27 and 9.68, we can conclude
that
a. the population mean is likely to be either 7.27 or 9.68.
b. the population mean is likely to be the midpoint between 7.27 and 9.68.
c. the population parameter for the sample mean is likely to be between 7.27 and 9.68.
d. the population parameter for the sample mean is likely to be lower than 7.27 or higher than 9.68.
c
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