Mathematics, 23.02.2021 05:20 giovney
A teacher initially plans to take an SRS of size 50 from his large high school and calculate the sample mean x bar of student GPAs. Later, the teacher decides to increase the sample size so that the standard deviation of the sampling distribution of x bar will be half as big as when using a sample size of 50. What sample size should the teacher use?
57
100
150
200
354
Answers: 1
Mathematics, 21.06.2019 19:30, Robloxdemonduckyt
Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x
Answers: 3
Mathematics, 21.06.2019 20:30, ariannanykole1
What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi
Answers: 1
A teacher initially plans to take an SRS of size 50 from his large high school and calculate the sam...
English, 09.01.2021 14:00
English, 09.01.2021 14:00
Chemistry, 09.01.2021 14:00
Mathematics, 09.01.2021 14:00
Chemistry, 09.01.2021 14:00
English, 09.01.2021 14:00
Mathematics, 09.01.2021 14:00