Question 1. ( 6 points total. Each part is worth 1 polat.) Multiple clocke/true or false. Plesse answer the following questions. No explanation is necessury.
a. (1 polnt) If all possible samples of sian n are drawn froe am infinite popelation with a mean of 20 asd a standard deviatioe of 5 , then the standard error of the sampling diatribution of sample means is equal to 1.0 only for sumples of illus:
(A) 5
(B) 15
(C) 20
(D) 25 of the following statements in true?
(A) The populative atasolard deviation derenars
(B) The standard error of the sample moss decrease
(C) The population standard deviation lecrouse
(D) The stanglard error of the sample moss increase x^(˙) of each nample is determined, the experted value (or nersa) of the mapling diatriluation of \bar{x} is
(A) Larger than the population mons
(B) Exactly the same as the population nons
(C) Smaller than the population man
(D) Unerlated to the population meas population mona divided by the square root, of the sangle stare. The statement in
(A) TRUE
(B) FALSE