Classify the variable as qualitative or quantitative:
"Colors of cars in a shopping center parking lot."
Qualitative
100
What graph should be used to show the relationship between the parts and the whole?
Pie Chart
100
What is the value of the mode when all values in the data set are different?
There is no mode
100
List the sample space for tossing 3 coins?
HHH, THH, HTH, HHT, TTH, THT, HTT, TTT
100
The probability an event will happen is 0.32, what is the probability that the event will not happen?
0.68
200
Classify the variable as discrete or continuous:
"Pounds of bananas bought at the grocery store."
Continuous
200
In the construction of a frequency polygon, what is used to label the x-axis?
Midpoints
200
List the five values that are a part of the 5-Number Summary
Min, Quartile 1, Median (Quartile 2), Quartile 3, Max
200
What is the probability that a 3-digit ID tag will be larger than 600 and even? Repetition is allowed and zero can not be used.
19.8%
200
Suppose a data set has a mean of 15 and standard deviation of 3.3. Calculate the Coefficient of Variation for this data set.
22%
300
Name the level of measurement:
"Temperatures inside 12 ovens"
Intervale
300
When constructing an Ogive, what is used to label the y-axis?
Cumulative Frequency
300
When a distribution is bell-shaped or normally distributed, list the percentage of data values that will fall within 1, 2, and 3 standard deviations of the mean.
68%
95%
99.7%
300
How many ways can a jury of 4 women and 3 men be selected from 12 women and 14 men?
180,180
300
Suppose the mean of a data set is 24 and the standard deviation is 2.5. Use Chebyshev's Theorem to find the interval that would contain at least 75% of the data values.
[19, 29]
400
Classify the sample as random, systematic, stratified, or cluster:
"At a large university, all professors from 4 buildings are surveyed to determine whether they believe their students are ready for the work force."
Cluster
400
Arrange in order the mean, median, and mode for a distribution that is Right Skewed.
Mode, Median, Mean
400
Calculate the mean from the given frequency distribution:
1 - 5 (5)
6 - 10 (4)
11 - 15 (1)
6
400
62% of households have DVD players. Choose 4 households at random. What is the probability that at least 1 does not have a DVD player?
85.2%
400
What is the probability that in a class with 10 boys and 8 girls, that a group of 4 students will be selected and that group will contain no boys?
2.3%
500
What are the boundaries of 13.2 ounces?
13.15 and 13.25
500
Construct just the x-axis of a frequency polygon for a data set with the following classes:
10 - 19,
20 - 29,
30 - 39
4.5, 14.5, 24.5, 34.5, 44.5
500
Calculate the standard deviation from the given frequency distribution:
1 - 5 (5)
6 - 10 (4)
11 - 15 (1)
3.5
500
In a bag, there are 9 marbles: 4 White, 2 Blue, and 3 Red. A marble is draw and not replaced, then a second marble is draw. What is the probability of selecting at least 1 White marble?
72.2%
500
Does this data set contain outliers? Show the criteria.
1, 3, 3, 4, 7, 14, 33
Yes, 33 is an outlier.
Anything less than -13.5 or greater than 30.5 is an outlier.