A movie complex has eight different movie theaters. The manager of the complex wants to
conduct a survey to determine which snacks to add to the menu. Which represents the best
sample the manager could use for the survey?
Survey the first 100 moviegoers leaving the movie complex
Survey 100 randomly selected moviegoers that just watched a drama movie
Survey 100 randomly selected moviegoers in the 10yearold to 40yearold age bracket
Survey 100 randomly selected moviegoers from the entire complex*
If my answer is wrong how would I figure it out. If you can tell me the right answer abd explain why. Thank You!
Your answer is right.
Thank You
You're welcome.
what are the answers
there both right
What I do is I find the answers to my questions one by one and I always get the right answers and I do fine. It might take a little longer but at least you get a good grade.
1.
(08.01 LC)
Mike wants to conduct a survey to find how much time the students of his school spent watching television. Which of the following is an appropriate statistical question for this survey? (1 point)
Who watched television on weekends?
How many hours per week do you watch television?
Who watches television the most on Monday nights?
How many students watch television for an hour every day?
2.
(08.01 MC)
Kate did a survey to find the average hand span of the students in her class. She asked the following question:
What is the hand span of each student in the class?
Is Kate's question a statistical question, and why or why not? (1 point)
Yes, because it asks a question that can be answered correctly
Yes, because it anticipates variability in students' hand spans
No, because it does not ask a question that can be answered correctly
No, because it does not anticipate variability in students' hand spans
3.
(08.01 MC)
Can the following question be considered a statistical question and why or why not?
Do students at Bryan Middle School exercise? (1 point)
Yes, it specifies the population
No, it does not specify the population
Yes, it anticipates enough variability in responses
No, it does not anticipate enough variability in responses
4.
(08.02 LC)
Ella conducted a survey to find out the amount of time high schoolers spend surfing the Internet. From the data collected, the range of time spent was 1 hour. What does this range say about the data? (1 point)
All the students surveyed spend exactly 1 hour surfing the Internet.
All the students surveyed spend an average of 1 hour surfing the Internet.
The difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour.
The quotient between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour.
5.
(08.03 MC)
Linda asked the students of her class their hockey scores and recorded the scores in the table shown below:
Hockey Scores
Score Number of Students
0 2
1 1
2 3
3 6
4 2
5 3
6 2
Based on the table, what is the mean hockey score? (1 point)
2.7
2.9
3.2
5.2
6.
(08.02 LC)
What is the median of the following data set?
{5, 2, 9, 7, 4} (1 point)
5
7
8
9
7.
(08.02 MC)
The dot plot below shows the drawing scores of some students:
A number line is shown from 1 to 5 in increments of 1. The horizontal axis label is Score. There is 1 dot above 1, 2 dots above 2, 3 dots above 3, 2 dots above 4, and 1 dot above 5. The title of the line plot is Dance Scores.
Which statement best describes the shape of the data? (1 point)
It is symmetric and has a peak at 3.
It is symmetric and has a peak at 5.
It is not symmetric and has a peak at 3.
It is not symmetric and has a peak at 5.
8.
(08.03 LC)
The dot plot below shows the number of different types of trees in Samuel's garden:
A straight line is shown with 4 equidistant marks. The first mark is labeled Redbud, the second mark is labeled Magnolia, the third mark is labeled Snowbell, and the fourth mark is labeled Maple. The first mark has 2 dots, the second mark has 4 dots, the third mark has 1 dot, and the fourth mark has 3 dots. Below the line is written Number of Trees.
Which table shows the data displayed in the dot plot? (1 point)
Garden Trees Number
Redbud 2
Magnolia 4
Snowbell 1
Maple 3
Garden Trees Number
Redbud 1
Magnolia 3
Snowbell 0
Maple 2
Garden Trees Number
Redbud 2
Magnolia 6
Snowbell 7
Maple 10
Garden Trees Number
Redbud 3
Magnolia 1
Snowbell 4
Maple 2
9.
(08.03 LC)
The data set below shows the weights of some puppies, in pounds, at a kennel:
10, 11, 12, 12, 13, 13, 14, 15, 15
Which histogram represents the data set? (1 point)
A histogram is shown with title Puppy Weight. On the horizontal axis, the title is Pounds. The title on the vertical axis is Puppies. The range on the horizontal axis is 10 to 11, 12 to 13, and 14 to 15. The values on the vertical axis are from 0 to 6 at intervals of 1. The bar for the first range goes to 2, the bar for the second range goes to 4, the bar for the third range goes to 3.
A histogram is shown with title Puppy Weight. On the horizontal axis, the title is Pounds. The title on the vertical axis is Puppies. The range on the horizontal axis is 10 to 11, 12 to 13, and 14 to 15. The values on the vertical axis are from 0 to 6 at intervals of 1. The bar for the first range goes to 3, the bar for the second range goes to 4, the bar for the third range goes to 2.
A histogram is shown with title Puppy Weight. On the horizontal axis, the title is Pounds. The title on the vertical axis is Puppies. The range on the horizontal axis is 10 to 11, 12 to 13, and 14 to 15. The values on the vertical axis are from 0 to 6 at intervals of 1. The bar for the first range goes to 2, the bar for the second range goes to 3, the bar for the third range goes to 4.
A histogram is shown with title Puppy Weight. On the horizontal axis, the title is Pounds. The title on the vertical axis is Puppies. The range on the horizontal axis is 10 to 11, 12 to 13, and 14 to 15. The values on the vertical axis are from 0 to 6 at intervals of 1. The bar for the first range goes to 4, the bar for the second range goes to 2, the bar for the third range goes to 3.