The average height of females in the freshman class of a certain college has historically been 162.3162.3 centimeters with a standard deviation of 6.76.7 centimeters. How large a sample is required to test whether the average height has changed for the present freshman class if the power of the test is to be 0.990.99 when the true average height differs from 162.3162.3 centimeters by 2.92.9 ​centimeters? Use alphaαequals=0.10.1.
Click here to view page 1 of the standard normal distribution table. LOADING...
Click here to view page 2 of the standard normal distribution table. LOADING...
Question content area bottom
Part 1
The minimum sample size required is enter your response here.
​(Round up to the nearest whole number as​ needed.)