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Histogram a shows the distribution of heights for female basketball players and histogram b shows th

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Title: Histogram a shows the distribution of heights for female basketball players and histogram b shows th


1
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. Which is more variable?
Continued
2
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. Which is more variable? image image
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. Which is more variable?
  • Heights of female basketball players
  • Heights of female gymnasts

3
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. A height of 68 inches is more typical
of .
Continued
4
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. A height of 68 inches is more typical
of ________? image image
Histogram (a) shows the distribution of heights
for female basketball players and histogram (b)
shows the distribution of heights for female
gymnasts. A height of 68 inches is more typical
of .
  • female basketball players
  • female gymnasts

5
In order to understand hibernating black bears, a
researcher measured the body temperature of ten
black bears during hibernation (the best time to
measure the body temperature of a bear!). The ten
black bears studied are ________.
  • a sample
  • the population

6
A researcher used data from a sample of ten black
bears to estimate the average body temperature of
hibernating black bears in general. This is an
example of the use of ________.
  • descriptive statistics
  • inferential statistics

7
Which of the following attributes is categorical?
  • The number of pizza boxes a worker can assemble
    in a 10 minute period
  • The time it takes a worker to assemble a pizza
    box
  • The number of pizzas ordered in 1 hour
  • Whether the next pizza ordered is for pick-up or
    delivery

8
Which of the following attributes is continuous
numerical?
  • The number of pizza boxes a worker can assemble
    in a 10 minute period
  • The time it takes a worker to assemble a pizza
    box
  • The number of pizzas ordered in 1 hour
  • Whether the next pizza ordered is for pick-up or
    delivery

9
Which of the following is not a categorical
variable?
  • City of residence
  • Telephone area code
  • Number of calls in response to a newspaper
    classified ad
  • Preferred brand of cola

10
Possible values for a discrete numerical variable
must be positive integers.
  • True
  • False

11
A numerical variable that can take on only
positive integer values is a discrete numerical
variable.
  • True
  • False

12
Zip code ________.
  • is a discrete numerical variable
  • is not a discrete numerical variable because it
    can not take on a negative value
  • is not a discrete numerical variable because zip
    code is just a code for a geographical region

13
In a survey of attitudes toward science, college
students were asked whether or not they had been
encouraged to study science by a high school
teacher or counselor. The responses were coded 0
for no and 1 for yes. The resulting data set is
________.
  • continuous numerical
  • discrete numerical
  • categorical

14
Ten bags of microwave popcorn were heated on high
for 3 minutes and the percent of unpopped kernels
was recorded. For these ten bags, the percent
unpopped ranged from a low of 8 to a high of
22. Which of the following dot plots could be
the dot plot of this data?
  • .
  • .
  • .

Continued
15
Ten bags of microwave popcorn were heated on high
for 3 minutes and the percent of unpopped kernels
was recorded. For these ten bags, the percent
unpopped ranged from a low of 8 to a high of
22. Which of the following dot plots could be
the dot plot of this data?
  • image
  • image
  • image

16
Fifty college students were asked what type of
movie they had seen most recently. The responses
are summarized in the frequency distribution
shown. Which of the two graphs below is a
correct bar chart for this data? Type of Movie
Frequency Comedy 23
Drama 9 Action
7 Western 4
Animated 4 Other
3
2.

Continued
17
Fifty college students were asked what type of
movie they had seen most recently. The responses
are summarized in the frequency distribution
shown. Which of the two graphs below is a correct
bar chart for this data? image
Fifty college students were asked what type of
movie they had seen most recently. The responses
are summarized in the frequency distribution
shown. Which of the two graphs below is a
correct bar chart for this data? Type of
Movie Frequency Comedy 23Drama
9Action 7Western 4Animated
4Other 3
  • image
  • image

18
Fifty college students were asked what type of
movie they had seen most recently. The responses
are summarized in the frequency distribution
shown. image What is the relative frequency for
the comedy category?
Fifty college students were asked what type of
movie they had seen most recently. The responses
are summarized in the frequency distribution
shown. Type of Movie Frequency Comedy
23Drama 9Action 7Western
4Animated 4Other 3What
is the relative frequency for the comedy category?
  • 23
  • .23
  • .46
  • 46
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