Question

A person will either become infected with influenza during the current flu season or will not become infected with influenza during the current flu season. These two possible outcomes are considered mutually exclusive. True False

In a study examining the average appointment time for patients at a local dentist’s office, 54 patients had appointments less than 1 hour long and 2 patients had appointments lasting 5 hours. This distribution of patient appointment times would best be described as negatively skewed. true, false

Random sampling guarantees that you will obtain a representative sample of the population.

True

False A researcher collects information on the name of study participants’ health insurance coverage (e.g., Kaiser, Blue Cross, United). When graphing the frequencies reported for each of the different health insurance company names, it would be most appropriate for the researcher to use a histogram. true / flase

Answer 1

Solution:

A person will either become infected with influenza during the current flu season or will not become infected with influenza during the current flu season. These two possible outcomes are considered mutually exclusive.

Answer: True because a person can either have influenza or not, but cannot have both.

In a study examining the average appointment time for patients at a local dentist’s office, 54 patients had appointments less than 1 hour long and 2 patients had appointments lasting 5 hours. This distribution of patient appointment times would best be described as negatively skewed.

Answer: False because the data will be right-skewed

Random sampling guarantees that you will obtain a representative sample of the population.

Answer: True because random sampling gives each unit of the population an equal chance of being included in the sample

A researcher collects information on the name of the study participants’ health insurance coverage (e.g., Kaiser, Blue Cross, United). When graphing the frequencies reported for each of the different health insurance company names, it would be most appropriate for the researcher to use a histogram.

Answer: False because the data is categorical