medications, one hour on breaks, two hours documenting, and three hours doing other
activities. An analyst would like to display the data by representing the 12-hour shift as one
whole. Which display method should the analyst use to meet this goal?
- Box plot
- Stem plot
- Histrogram
- Pie chart - ANSWER Pie chart
For which type of website data would a histogram be most appropriate?
- Length of visit in minutes
- Location of visitor by country
- Frequently viewed pages
- Most popular method of arrival - ANSWER Length of visit in minutes
A company has 14 employees. Six employees work day shift, five employees work swing
shift, and three employees work night shift. Which type of graph should be used to display
how many employees work each shift?
- Stem plot
- Bar graph
- Box plot
- Histogram - ANSWER Bar graph
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, A new video gaming site wants to know what the median age is of its adolescent population
so they can focus on activities for these clients. A data analyst recorded the ages of 12
adolescents who used the site over a three-month period. The results are given below:
Age
13, 16, 17, 18, 19
Frequency
1, 2, 2, 3, 4,
What is the median age of the adolescents? - ANSWER 18.0
A study is conducted on the possible relationship between gender and income of the
employees at a marketing company.Which numerical measure is appropriate for this study?
- Standard deviation
- Five-number summary
- Conditional percentages
- Correlation coefficient - ANSWER Five-number summary
Salespeople at a large company are randomly assigned to two groups: one that completes
training on new products and one that receives no training. The group that received training
had a significantly higher average sales volume than the group that did not. What is the
appropriate conclusion?
- There is a causal relationship between training and sales volume.
- There is no association between training and sales volume.
- There is an association between training and sales volume, but a causal relationship cannot
be concluded.
- There is a causal relationship between training and sales volume, but an association cannot
be concluded. - ANSWER There is a causal relationship between training and sales
volume.
A six-sided die, with a number from 1 to 6 on each side, is rolled twice. What is the
probability that two odd numbers are rolled consecutively?
- 1/2
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