Statistical Methods: Week 3

Question 1

A 50% chance of obtaining a particular value can also be expressed as a ______ probability.

Accepted Answer

.5

Question 2

What is the probability of rolling a 3 or below on a six sided die?

Accepted Answer

.5

Question 3

A Z score communicate the distance of a score from its sample mean in units of _____.

Accepted Answer

Standard Deviation

Question 4

What is the probability of obtaining a Z score of 1.5 or higher if a variable is normally distributed? Use the shiny app

Accepted Answer

.07

Question 5

A statistic used to quantify the extremity of a particular score is a ___ score.

Accepted Answer

Z

Question 6

A Z score of -1.96 communicates that the score is 1.96 standard deviations ________ the sample mean.

Accepted Answer

Below

Question 7

Social science researchers calculate sample statistics in order to estimate population _____.

Accepted Answer

Parameters

Question 8

Jerome receives a score of 3 on a life satisfaction scale with a M of 2.5 and a SD of 3. Compute Jerome's Z score.

Accepted Answer

.167

Questions 8