Question: Suppose that Gallop Polling Inc. took a simple random sample of 1,000 UNLV students and found that mean income (XBAR) was $28,000. If the sample

Suppose that Gallop Polling Inc. took a simple random sample of 1,000 UNLV students and found that mean income (XBAR) was $28,000. If the sample size was lowered to 800 students, the margin of error for a 95 percent confidence interval for , would 1) increase 2) decrease 3) either smaller or larger, but we cannot tell. Assume all other inputs stay the same. Provide an explanation/justification for your answer. Just choosing 1, 2, or 3 is not sufficient and will result in a zero for this

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Hassellhouf Companys trial balance at December 31, 2015, is presented below and on page 471. All 2015 transactions have been recorded except for the items described on shown below. Unrecorded...

Use Osborne's rule to write down the hyperbolic counterparts of the following trigonometric identities. 1. sinx = (1 - cos 2x) 3. cosx = (1 + cos2x) 5. tan 2x = 13. 1 2 tan x Use the definitions of...

A responsibility accounting / reporting system includes the following: a . appropriate information detail for each decision maker b . all of the choices are correct c . upward reporting of...

Write a paper on Initial public offerings (IPOs) in which you need to address the following: Select the Go Daddy Inc. Company Write a short paragraph about what the company does or its products ...