STATS & PROBABILITY MCQs

STATS & PROBABILITY MCQs

Question
	
If a manager wants to know the typical deviation in workers’ productivity, she will calculate the range. (Points : 1) 
True 
False
Question 2. 2. Technically, “statistic” refers to which? (Points : 1) 
A sample characteristic
A measure of variability
A population characteristic
A particular scale of data









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Question 3. 3. A probability is found by dividing the number of possible outcomes (o) by the number of successes € = o/e. (Points : 1) 
True 
False
Question 4. 4. Which of the following defines standard deviation? (Points : 1) 
The difference between the highest and lowest values.
The arithmetic average of a set of values.
The average difference between a set of values and the mean.
The average of the highest and lowest values in a set.
Question 5. 5. Which measure of central tendency includes data from every score?

The mean
The standard deviation
The mode
The median



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Question 6. 6. Data on the ages of customers are ratio scale data. 

True 
False
Question 7. 7. Which statement explains what inferential statistical analysis is?

The process of describing the sample.
Understanding the population through the sample.
The accumulation of population characteristics.
Comparing dissimilar samples.

Question 8. 8. The probability of two independent events occurring together equals the product of each of the individual event probabilities. (Points : 1) 
True 
False
Question 9. 9. A parameter refers to a sample characteristic. (Points : 1) 
True 
False
Question 10. 10. The z transformation makes data normal. (Points : 1) 
True 
False