STATS 201 STEVENS TEST 1 (CH 1-6) QUESTIONS
WITH VERIFIED ACCURATE ANSWERS
This type of data represents actual real numbers. - Answers - quantitative
A ____ is collected to make inferences about a population. - Answers - sample
The following graphic is an example of a ____ plot. - Answers - Pareto Chart
This type of data sections items or people in to groups. - Answers - Categorical
The following histogram is skewed to the left. - Answers - True
What type of variable best describes "Player ID" for this data set of FIFA World Cup
Players? - Answers - Identifier
An identifier variable is a special case of a categorical variable. - Answers - True
Which type of crime is the least frequent? - Answers - Violent (pie chart with Violent
smallest)
A pareto chart is a special case of a ____. - Answers - Bar Chart
If you analyze data with outliers you should: - Answers - Exclude the outliers but discuss
why you felt justified in excluding them
There is sometimes a good reason to remove outliers. - Answers - True
Boxplots are not ideal for comparing multiple groups. - Answers - False
The finishing times of a local 5k (3.1 mile) road race follows a normally distribution with
a mean of 25 minutes and a standard deviation of 3 minutes.
What percent of finishers do you expect to be above 31 minutes? (Use 68-95-99.7 rule)
- Answers - 2.5
In a 1992 article in the Journal of the American Medical Association, researchers
reported that a more accurate average body temperature for adults is 98.2°F with a
standard deviation of 0.7°F. Assume that a Normal model is appropriate N(98.2, 0.7).
The area outside (shaded) of 97.14°F and 99.26°F is 0.13.
What percent of adults have body temperatures higher than 99.26°F? - Answers - 6.5
The Chocolataboom Candy Company manufactures many types of different candies.
Their most popular Valentine's Day box of candy follows a Normal Distribution with a
mean of 497 grams and a standard deviation of 18.2 grams.
WITH VERIFIED ACCURATE ANSWERS
This type of data represents actual real numbers. - Answers - quantitative
A ____ is collected to make inferences about a population. - Answers - sample
The following graphic is an example of a ____ plot. - Answers - Pareto Chart
This type of data sections items or people in to groups. - Answers - Categorical
The following histogram is skewed to the left. - Answers - True
What type of variable best describes "Player ID" for this data set of FIFA World Cup
Players? - Answers - Identifier
An identifier variable is a special case of a categorical variable. - Answers - True
Which type of crime is the least frequent? - Answers - Violent (pie chart with Violent
smallest)
A pareto chart is a special case of a ____. - Answers - Bar Chart
If you analyze data with outliers you should: - Answers - Exclude the outliers but discuss
why you felt justified in excluding them
There is sometimes a good reason to remove outliers. - Answers - True
Boxplots are not ideal for comparing multiple groups. - Answers - False
The finishing times of a local 5k (3.1 mile) road race follows a normally distribution with
a mean of 25 minutes and a standard deviation of 3 minutes.
What percent of finishers do you expect to be above 31 minutes? (Use 68-95-99.7 rule)
- Answers - 2.5
In a 1992 article in the Journal of the American Medical Association, researchers
reported that a more accurate average body temperature for adults is 98.2°F with a
standard deviation of 0.7°F. Assume that a Normal model is appropriate N(98.2, 0.7).
The area outside (shaded) of 97.14°F and 99.26°F is 0.13.
What percent of adults have body temperatures higher than 99.26°F? - Answers - 6.5
The Chocolataboom Candy Company manufactures many types of different candies.
Their most popular Valentine's Day box of candy follows a Normal Distribution with a
mean of 497 grams and a standard deviation of 18.2 grams.
