Multiple Samples Answers
A survey was conducted asking people about their favorite fruit. Which inferences about the population are true based on the data? Check all that apply.
What is the ratio of the average number of bass to the average number of fish in each sample? ✔ 7/202/59/201/2
In two sample surveys, 125 people were asked about their favorite fruit. In the first survey, 40 people chose apples, 64 chose oranges, and 21 chose bananas. In the second, 43 chose apples, 63 chose oranges, and 19 chose bananas. Marianne inferred that most people prefer oranges. Is this inference true based on the data? Explain.
Yes, the inference is true. In both surveys, more than half of the respondents (64 out of 125 and 63 out of 125) chose oranges, which is more than the number of people who chose apples or bananas. Because the results are consistent across both samples, it is a valid inference that oranges are the favorite fruit of the population.
Which inference is true?
Question text not available
The table shows two samples of fish from a pond. If 400 fish are in the pond, which proportion represents the average number of bass you would expect to live in the pond?
Which are valid inferences? Check all that apply.
Make an inference about which fish increased its predicted average population from Year 1 to Year 2.
Which pair of Linda’s samples seems to have the lowest variability and, therefore, are representative samples?
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