Question
A study found the following information on the heart rates (beats per minute) of fetuses by gender. FemaleMaleMean 151.7154.9 Standard Deviation 22.722.8 Sample Size 244233
A study found the following information on the heart rates (beats per minute) of fetuses by gender.
FemaleMaleMean151.7154.9Standard Deviation22.722.8Sample Size244233
Construct and interpret a 90% confidence interval for the difference between the mean heart rates.
Group of answer choices
Not enough information is given to calculate the confidence interval.
(-5.874, -0.526); There is a significant difference between the heart rates.
(-5.874, -0.526); There is not a significant difference between the heart rates.
(-6.635, 0.235); There is not a significant difference between the heart rates.
(-6.635, 0.235); There is a significant difference between the heart rates.
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Precalculus
Authors: Michael Sullivan
10th Global Edition
1292121772, 1292121777, 978-1292121772
