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
