in exercises 5 - 8, identify the population and sample. describe the sample. (see example 1.) 5. in the…

in exercises 5 - 8, identify the population and sample. describe the sample. (see example 1.) 5. in the united states, a survey of 1152 adults ages 18 and over found that 403 of them occasionally pretend to use their smartphones to avoid talking to someone. 6. in the united states, a survey of 1222 consumers found that 978 of them prefer to use a credit or debit card as their primary payment method. 7. to estimate the battery life of tablets sold on a website, a consumer electronics team tests 6 tablets and finds they have an average battery life of 9.1 hours. 8. in the united states, a survey of 743 teenagers ages 13 - 17 found that 193 of them never post selfies on social media websites.
Answer
5.
Brief Explanations:
The population is all adults ages 18 and over in the United States. The sample is the 1152 adults ages 18 and over surveyed. The sample is a group of adults who were asked about pretending to use smartphones to avoid talking to someone.
Answer:
Population: All adults ages 18 and over in the United States. Sample: 1152 adults ages 18 and over surveyed.
6.
Brief Explanations:
The population is all consumers in the United States. The sample is the 1222 consumers surveyed. The sample is a group of consumers who were asked about their primary payment - method preference.
Answer:
Population: All consumers in the United States. Sample: 1222 consumers surveyed.
7.
Brief Explanations:
The population is all tablets sold on the website. The sample is the 6 tablets tested. The sample is a group of tablets whose battery - life was measured to estimate the battery - life of all tablets on the website.
Answer:
Population: All tablets sold on the website. Sample: 6 tablets tested.
8.
Brief Explanations:
The population is all teenagers ages 13 - 17 in the United States. The sample is the 743 teenagers ages 13 - 17 surveyed. The sample is a group of teenagers who were asked about posting selfies on social media websites.
Answer:
Population: All teenagers ages 13 - 17 in the United States. Sample: 743 teenagers ages 13 - 17 surveyed.