The basal or resting heart rate typically has a mean of 70 beats per minute (bpm) with a standard deviation of 10 bpm. A. Construct a 95% confidence interval around the Population Mean (Caution: first determine if a Z-value or t-value should be used... remember to use a Z-value if the Population Std. Dev. Is known) a. Z or t Value associated with 95% CL= b. Standard Error (SE) = c. Margin of Error (M) = d. LCL = UCL =
The basal or resting heart rate typically has a mean of 70 beats per minute (bpm) with a standard deviation of 10 bpm.
A. Construct a 95% confidence interval around the Population Mean
(Caution: first determine if a Z-value or t-value should be used... remember to use a Z-value if the Population Std. Dev. Is known)
a. Z or t Value associated with 95% CL=
b. Standard Error (SE) =
c. Margin of Error (M) =
d. LCL =
UCL =
B. A sample of 25 students relaxing before the Bio-stat midterm measured a mean = 75. Based on the Confidence Interval, is the basal heart rate for these 25 students significantly different from 70 at the 5% level?
Yes/No
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