If a manager wants to know the typical deviation in workers’ productivity, she will calculate the range. (Points : 1)
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
Question 3. 3. A probability is found by dividing the number of possible outcomes (o) by the number of successes € = o/e. (Points : 1)
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 standard deviation
Question 6. 6. Data on the ages of customers are ratio scale data.
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)
Question 9. 9. A parameter refers to a sample characteristic. (Points : 1)
Question 10. 10. The z transformation makes data normal. (Points : 1)
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