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Correlations chirps per second ground temperature in F chirps per second Pearson Correlation 1 .836** Sig. (2-tailed) .000 N 15 15 ground temperature in F Pearson Correlation .836** 1 Sig. (2-tailed) .000 N 15 15 **. Correlation is significant at the 0.01 level (2-tailed). Calculate the shared variance between ground temp and chirps per second
Converting data to indexes makes it easier to compare the trend in a series composed of exceptionally large numbers.
What is the chance? students over age 21 students under age 21 Why is your sample not an SRS? These combinations of students have equal chances of being interviewed.
Determine the minimum sample size he must select if he wants to be 90% confident that the true average time is within 10 minutes of the sample average?
Average electric use was studied.a previously known population standard deviation was 450KWH. a sample of 81 houses was studied and found to have a mean of 1858 KWH. Find the 95% confidence interval for the true mean.
A location along a 500 foot assembly line from which to observe the work habits of the workers on the line. What is the probability that the point she selects: is within 25 feet of the end of the line.
Derive the probability distribution of the completion times - For each of the distribution in (i) above, calculate their relevant statistics. A task is known to have the following time to completion
The F test is used in Analysis of Variance (ANOVA). When would a researcher use an ANOVA? Explain (one paragraph in length).
Calculate the mean and the standard error of the sampling distribution of the sample means. Also, find the mean and standard error of the sampling distribution for samples of size 5.
Interpret values of b1, b2, b3 and b4 in this estimated regression equation.
What happens to the confidence interval when we go from a 95% confidence level to a 99% confidence level? Is this desirable? When would we want to use a 99% confidence interval?
The x and the y variable in the table below are correlated. Determine the 'R' value, and then determine the regression equation.
What information is provided by the numerical value of the Pearson correlation? For the following scores, compute the Pearson correlation:
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