A)
<h3>
The sample mean is 52</h3><h3>
The claimed population mean is 44</h3>
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The sample mean is the mean found in the survey (of the sample of people). The sample mean is found by adding up the values and dividing by the sample size n. The larger n gets, the closer the sample mean should get to the population mean. This is assuming the sample is random and representative of the population.
The population mean is a claim made by another study/survey/etc. Usually generalized statements such as "Americans spent an average of X dollars (in year Y)" would have X be considered the population mean.
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B)
<h3>Sample mean is 3.42</h3><h3>Claimed population mean is 3.56</h3>
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Same idea as part A, but we're using different numbers and a different problem context.
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Note: The year numbers and the sample sizes are not used to answer any of the four questions above.
Answer: (4,4)
Step-by-step explanation:
(1,-4) reflected over the x-axis is (1,4). Then translated 3 units up is (4,4). Hope this helps
pretty sure that the answer is 2 cuz
Answer:
11
Step-by-step explanation:
volume of a prism = area of base × height
plug in what we are given
- volume = 275cm³
- area of base = 25cm²
275 = 25 × height
==> divide both sides by 25
11 = height
