# Science Quiz / HCHS Statistics 2 (w/TI-84)

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## Can you name the answer the following questions?

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For a population with a mean of 78 and SAMPLE st dev of 8, find the margin of error for a 95% confidence interval using an SRS population of 20.
In a population of 5000 wombats, 800 are found to eat snarks. To 3 decimal places, find a 99% confidence interval for the proportion of wombats that eat snarks.
What term is given for the standard deviation of a statistic estimated from data?
To 3 decimal places, find the z-score for a standard normal distribution for a 99% confidence interval.
The mean of an approximately normal set of data is 12 and the standard deviation is 2.1. If an SRS of 6 is taken, find the sample standard deviation.
Given a population mean of 112, a SAMPLE standard deviation of 15, and an SRS of 50, determine a 95% confidence interval.
If the population proportion is 0.8, and the population is 400, find the standard deviation of the proportion.
To 3 decimal places, find the z-score for a standard normal distribution for a 90% confidence interval.
The mean height for a group of aliens is 64.5 inches w/a st dev of 2.5. Find the probability that the mean height of an SRS of 10 aliens is 65.3 inches.
If the standard deviation of x is 2, the standard deviation of y is 5, and the correlation coefficient between them is r = 0.8, determine the slope of the regression line.
For a population with a mean of 78 and st dev of 8, find the margin of error for a 95% confidence interval using an SRS population of 20.
Given a population mean of 112, a standard deviation of 15, and an SRS of 50, determine a 95% confidence interval.
To 3 decimal places, find the z-score for a standard normal distribution for a 95% confidence interval.

## From the Vault See Another

'U'-Less European Countries

by mselby

Europe might have a 'U' but not all its countries do.

### Extras

Created Feb 11, 2016
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