A radio station in a small town asks listeners to call in and answer the question, “Do you think that the town needs a new parking lot near the downtown shopping district?” Two hundred and sixteen people respond, and 75% of them support the idea. Is this good evidence that the majority of townsfolk support the additional parking lot?
Stat Reasoning - Test 5

Quiz
•
Mathematics
•
11th - 12th Grade
•
Medium

Ed Morris
Used 6+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Yes—such a high percentage suggests widespread support for the parking lot.
Yes-this is a random sample
Perhaps not—this is a voluntary response sample
a. Perhaps not—two hundred people is too small a sample for really convincing evidence.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
You wish to choose a simple random sample of 4 individuals from a population of 75. You assign numbers from 01 to 75 to the individuals in the population, and use the line below from a table of random digits to select the sample. Which of the following lists of numbers represent the individuals that you will include in the sample?
Random digits:
03814 40312 57889 00095 32863 29485 82226 90056
03, 81, 44, 12
03, 14, 40, 31
03, 44, 12, 03
03, 44, 12, 57
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The actual proportion of people in Happy Valley who support Gim E. Powers for mayor is 56%. A television station polls 80 randomly selected people by telephone and finds that 53% of them support Candidate Powers. Which of the following is true?
56% is a parameter and 53% is a statistic
53% is a parameter and 56% is a statistic
Both 53% and 56% are parameters
Both 53% and 56% are statistics
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is not a source of bias in sample surveys?
Non-respsonse
Voluntary response
Wording of questions
All of the above are sources of bias
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A school newspaper is conducting a “Best film of 2015” poll. In order to adequately represent the opinions of all grade levels, the editors divide the students into 9th, 10th, 11th, 12th and sample 10% of the students in each grade level. Students in each grade are assigned a number and students’ numbers are selected using a table of random digits. This is an example of what type of sample:
Simple Random Sample
Stratified Random Sample
Convenience Sample
Cluster Sample
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A recent study was conducted to see if a soy-protein powder would be effective in increasing bone density in 200 randomly selected women aged 60 to 75 who live in Canada. Which of the following represents the population?
The 200 women
All people in the world
The soy-protein powder
All women who are between the ages 60-75 in Canada
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A table of random numbers is used to select 30 students from a large college statistics class to rate a statistics video. These 30 students are:
Population
Simple Random Sample of class
Censu
Voluntary response
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