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Stella [2.4K]
3 years ago
6

Which best describes bias, if any, from the sample surveyed?

Mathematics
2 answers:
Ksju [112]3 years ago
8 0
B. The only logical answers are A and B, but B makes the most sense because national parks are typically not close to home. Those at the park may not enjoy having vacations close to home, and therefore could have bias.
Mariulka [41]3 years ago
7 0

Answer:

the answer is actually C)

Step-by-step explanation:

i used the other guys answer and got it wrong so heres this one

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A researcher studying stress is interested in the blood pressure measurements of chief executive officers (CEOs) of major corpor
sesenic [268]

Answer:

Null Hypothesis, H_0 : \mu = 136 mm Hg  

Alternate Hypothesis, H_A : \mu\neq 136 mm Hg

In this context type I error is rejecting that the μ is equal to 136 mm Hg when in fact μ is equal to 136 mm Hg.

Step-by-step explanation:

We are given that the mean systolic blood pressure, μ, of CEOs of major corporations is different from 136 mm Hg, which is the value reported in a possibly outdated journal article.

He measures the systolic blood pressures of a random sample of CEOs of major corporations and finds the mean of the sample to be 126 mm Hg and the standard deviation of the sample to be 18 mm Hg.

So, Null Hypothesis, H_0 : \mu = 136 mm Hg     {means that the mean systolic blood pressure, μ, of CEOs of major corporations is 136 mm Hg}

Alternate Hypothesis, H_A : \mu\neq 136 mm Hg      {means that the mean systolic blood pressure, μ, of CEOs of major corporations is 136 mm Hg}

Type I error states that the null hypothesis is rejected when in fact the null hypothesis was true. So, in this context type I error is rejecting that the μ is equal to 136 mm Hg when in fact μ is equal to 136 mm Hg.

Suppose the researcher decides not to reject the null hypothesis. It means the researcher is making a type I error.

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Since 3 is being subtracted from x, we add 3 to

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When graphing x > 5, we have an open circle on 5 and the

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Then we draw an arrow going to the right to represent

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Answer:

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Step-by-step explanation:

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