# NR714 Week 7 Module 7 Quiz Latest November 2018

**NR714 Application of Analytic Methods II**

**Week 7 Module 7 Quiz**

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Question 1

If a distribution has extreme scores on the right, it is said to have what type of a skew?

Normal

Negative

Positive

Horizontal

Question 2

Why is random sampling desirable (select all that apply)?

Each individual was chosen by chance

Everyone has the same opportunity to be in the sample.

Representative of the population

Its systematic

Individuals are purposefully selected because they will be good sources of information

Question 3

Does the 68% rule apply if the distribution is not normal?

Yes

No

Question 4

A deck of card has 3 black and 7 red cards. What is the probability of drawing a black card?

.01

.30

.7

1.0

Question 5

p=.05 means the following

90% confident of an occurrence not due to chance

5% confident of an occurrence not due to chance

95% confident of an occurrence not due to chance

100% confident of an occurrence not due to chance

Question 6

Probability (p) value is also know as:

Frequency

Alpha

Power

Range

Question 7

The 68/95/99.7 Rule tells us that:

95% of scores fall within 1 SD of the mean.

95% of all scores fall within 2 SD of the mean.

68% of all scores fall within 3 SD of the mean.

100% of scores fall within 1 SD of the mean

Question 8

In an asymetrical distribution, when the tail points to the right the skew is:

Negative

Positive

Neutral

Normal

Question 9

Given results of physical activity behaviors of women who have survived breast cancer, the range of hours of sleep/day/7 days was 5.4 to 8.1. What was the smallest number of hours of sleep reported?

8.1

2.7

5.4

7.3

Question 10

Given results of a sample of BSN nursing students. Consider the following M=30 years old, SD=12.5. The age range = 18 to 59. Given our knowledge of distribution how is this sample dsitributed?

Normal

Negative

Positive

Neutral