To study the IQ of middle school students, a sample of 64 middle schoolers is selected and the population standard deviation for middle schoolers IQ is 16, then the standard deviation of the sampling distribution for mean IQ of middle schoolers is 2. O True O False

suppose the profit a Honda dealership makes on the next 5 Accords it sells are:545, 991, 902, 1,480, 1,383. Calculate the standard deviation of the sample. (please express your answer using 2 decimal places)

Jeff is doing an experiment involving mice. The mice weights have mean weight 3.74 ounces and standard deviation 0.026 ounces. Jeff selects 100 mice independently and calculates the sample mean, x̄, of their weights. What is the standard deviation of x̄?

The mean height of male college students in a large city is 68 inches and the standard deviation is 5 inches. What height would a male college student must have in order for the student's height to be the cutoff point for the 95th percentile? (What is the lowest height in the top 5%?)

A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. Use binomial distribution. What are the mean and standard deviation of the number of 18 to 29 year old who will own a tablet in a survey of six?

The daily number of bad checks received by a large department store in a random sample of 5 days out of the past year was 67, 76, 72, 84, and 76. Find the Standard deviation.