Module 2 Quiz STA2023 Exam Questions
And Answers 100% Guaranteed Pass.
C) Both are statistics - Answer✔1. In 2010, the General Social survey had a question which
asked respondents if they were willing to pay higher prices to help the environment. In 2010,
out of 1361 people, 8.2% said that they were very willing and 14.6% said that they were not at
all willing. Are "8.2%" and "14.6%" statistics or parameters?
a) Both are parameters.
b) 8.2% is a statistic and 14.6% is a parameter.
c) Both are statistics.
d) 8.2% is a parameter and 14.6% is a statistic.
d) Both 84 and 80 are statistics - Answer✔2. A French teacher was interested in determining if a
foreign language computer program could help students learn better. She decided to randomly
put students into two groups. One group would use the computer program and the other group
would use traditional methods. The group that used the computer program scored an average
of 84 on the first test. The other group that used traditional methods scored an average of 80
on the first test. She will use the information from these two groups to improve her teaching
for all students that she sees. Which of the following is true regarding the numbers "80" and
"84"?
a) Both 84 and 80 are parameters.
b) 84 is a statistic; 80 is a parameter
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c) 84 is a parameter; 80 is a statistic
d) Both 84 and 80 are statistics.
c) Both 335 and 289 are statistics - Answer✔3. A researcher carries out a randomized
comparative experiment with young rats to investigate the effects of a toxic compound in food.
She feeds the control group a normal diet. The experimental group receives a diet with 2500
parts per million of the toxic material. After 8 weeks, the mean weight gain is 335 grams for the
control group and 289 for the experimental group. Which of the following is true regarding the
two numbers "335" and "289"?
a) 335 is a parameter; 289 is a statistic
b) 335 is a statistic; 289 is a parameter
c) Both 335 and 289 are statistics
d) Both 335 and 289 are parameters
b) both are statistics - Answer✔4. In 2000 and 2010, General Social survey included a question
that asked respondents if they felt that "Private enterprise would solve US problems." In 2010,
out of 1299 respondents, 14.4% said that they strongly agreed with that statement. In 2000,
out of the 1,130 respondents, 15.3% said that they agreed with this statement. Is "14.4%" and
"15.3%" a statistic or a parameter?
a) 14.4% is a parameter and 15.3% is a statistic.
b) Both are statistics.
c) 14.4% is a statistic and 15.3% is a parameter.
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