@ 1.2.29
The region ot a country with the highest per capita income for the past six years is shown below,
Eastern Southwest Northeast Southern Northeast Southem
Determine whether the data are qualitative or quantitative and identify the data set's level
Determine whether the variable is qualitative or quantitative. Explain your reasoning.
Eye color
Is the variable qualitative or quantitative?
The variable is quantitative because color is lound by measuring or counting.
The variable is quantitative beca
Determine whether the following statement is true or false. If it is false, rewrite it as a true statement.
A dcubleblind experiment is used to increase the placebe effect.
Cheese the ccrrect answer belew.
2C3 A. The statement is false. Deuble blinding is
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@1144
Suppose a survey. ol 927 homeowners lound that more than 30% bought flood irsurance. Which part of the surveyI represents the dcriptive branch at statistim? Make an inference based on the results of the survey.
Choose the best statement
@1311
Determine whether the study is an observational study or an experiment.
Twenty patients with Parkinson's disease are divided into two groups. One group receives an experimental dmg to ght palsy, the other a placebo. After one year, memory recall i
1u'll'hat is the difference between a census and a sampling?
Choose the correct answer below.
: A. A sampling includes the entire population. A census includes only part of the population.
53! B. A census includes the entire population. A sampling inclu
Determine whether the underlined value is a parameter or a statistic.
One at greatest baseball hitters ct all time has a career batting average at [1.355.
Is the value a parameter or a statistic?
EC Parameter
SEE Statistic
@1.1.15
Determine whether the data set is a population or a sample. Explain your reasoning.
The ages of three families of people in an apartment building housing ten families
Choose the correct answer below.
(:22- A. Population, because it is a subset of
@1213
Determine whether the variable is qualitative or quantitative. Explain 1,rdur reasoning.
Breed ct deg
Is the variable qualitative or quantitative?
rifle. The variable is qualitative because breed describes an attribute or characteristic.
'3: 22- B.
The region ot a country with the longest lite expectancy for the past six years is shown below.
Northem Southwest Southem Eastem Eastem Western
Determine whether the data are qualitative or quantitative and identity the data set's level of measurement.
Ar
Suppose a survey of 948 car buyers tound that more than 31% bought ieatherseats. Which part at the survey represents the descriptive branch of statistics? Make an irrlerence based on the results of the survey.
Choose the best statement of the descriptive
1 2.1 3
Determine whether the variable is qualitative or quantitative. Explain your reasoning.
Height
Is the variable qualitative or quantitative?
C A. The variable is qualitative because height is found by measuring or counting.
cfw_3 E. The variable