1003PSY PASS T3 2023 Week 2.1 review

What is Q1, Q2 and Q3 for the following data set: 18, 21, 27, 27, 31, 42

• Q1: 24, Q2: 27.5, Q3: 29

• Q1: 21, Q2: 27, Q3: 31

• Q1: 24, Q2: 27, Q3: 29

• Q1: 25, Q2: 25, Q3: 25

In a normal distribution, what proportion of people lie within 2SD of the mean?

• 68%

• 95%

• 96%

• 99.7%

Looking at the following graph, which of the following is most true?

• The distribution has a negative kurtosis

• The distribution has a positive kurtosis

• The distribution has a normal kurtosis

• The Graph represents a normal distribution

The ______ of a density curve is the equal areas point, where 50% of the area lies to the lest and 50% to the right

• Mean

• Median

• Mode

• Standard Deviation

Which of the following best represents a proportion of: p = .055

• 55%

• .05%

• 5.5%

• .06%

Select which of the following is false regarding the normal distribution

• The normal distribution is bell-shaped

• The normal distribution has limits of +/- infinity

• The normal distribution is symmetrical

• The normal distribution is multi-modal