AnswersPre-Algebra BInferences and Predictions

Inferences and Predictions Answers

20 verified answers3 views
5

Which statements are true? Check all that apply.

A
The variation in the sample means is less than 5.
B
The variation in the sample means makes population predictions invalid.
C
The actual population mean most likely will be between 4 and 8.
D
The sample means can be used to make predictions about the population mean.
E
The population mean is greater than 8.
9

Range:

Answer:

-7; 2

10

Will all random samples from a given population have the same mean? Provide an explanation with your answer.

Answer:

Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among samples.

15

Which did you include in your answer? Select all that apply.

A
Even though the data comes from the same population, different values are chosen with each sample.
B
Sample means can vary from sample to sample.
C
Sample values are randomly chosen.

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