[Answered] Indicate whether the symbol r is a parameter or statistic. Justify your ...

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scienceeasy

Hero Member
Posts: 565

on: Jul 24, 2018

Indicate whether the symbol r is a parameter or statistic. Justify your answer.

Question 2

Given a Poisson random variable x, where the average number of times an event occurs in a certain period of time or space is 1.5, then P(x = 2) is:
a. 0.2231
b. 0.5020
c. 0.2510
d. 0.1116
e. 0.5

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tranoy

Sr. Member
Posts: 344

Reply #1 on: Jul 24, 2018

Answer to Question 1

The symbol r is a statistic since it represents the sample correlation coefficient.

Answer to Question 2

C

scienceeasy

Member
Posts: 565

Reply 2 on: Jul 24, 2018

Gracias!

carlsona147

Member
Posts: 341

Reply 3 on: Yesterday

Wow, this really help

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