# A survey of 1015 U.S. adults found that 32% have had to put off medical care for themselves

August 30, 2017

Question
QUESTION 1
Identify the population and the sample.
A survey of 1015 U.S. adults found that 32% have had to put off medical care for themselves or their family in the past year due to the cost.

QUESTION 2
Identify whether the statement describes inferential statistics or descriptive statistics.
Based on previous clients, a marriage counselor concludes that the majority of marriages that begin with cohabitation before marriage will result in divorce.

A. descriptive statistics

B. inferential statistics
QUESTION 3
Identify the population and the sample.
A survey of 2625 elementary school children found that 28% of the children could be classified as obese.
QUESTION 4
Determine whether the data set is a population or a sample.
A survey of 500 spectators from a stadium with 42,000 spectators

A. population

B. sample
QUESTION 5
Identify whether the statement describes inferential statistics or descriptive statistics.
The average age of the students in a statistics class is 22 years.

A. inferential statistics

B. descriptive statistics
QUESTION 6
Identify the data set’s level of measurement.
temperatures of 73 selected refrigerators

A. ratio

B. interval

C. ordinal

D. nominal
QUESTION 7
Determine whether the data are qualitative or quantitative.
the numbers on the shirts of a girl’s soccer team

A. qualitative

B. quantitative

QUESTION 8
Determine whether the numerical value is a parameter or a statistic. Explain your reasoning.
A recent survey by the alumni of a major university indicated that the average salary of 7500 of its 200,000 graduates was \$95,000.
QUESTION 9
Determine whether the data set is a population or a sample.
The final score of each golfer in a tournament

A. population

B. sample
QUESTION 10
Determine whether the numerical value is a parameter or a statistic. Explain your reasoning.
The average salary of all assembly-line employees at a certain car manufacturer is \$42,000.
QUESTION 11
Identify the data set’s level of measurement.
number of milligrams of tar in 85 cigarettes

A. ordinal

B. interval

C. nominal

D. ratio

QUESTION 12
Identify the data set’s level of measurement.
list of 1239 social security numbers

A. interval

B. ordinal

C. nominal

D. ratio

QUESTION 13
Determine whether the data are qualitative or quantitative.
the number of complaint letters received by the United States Postal Service in a given day

A. qualitative

B. quantitative

QUESTION 14
Identify the data set’s level of measurement.
the final grades (A, B, C, D, and F) for students in a statistics class

A. interval

B. ordinal

C. nominal

D. ratio

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