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To find 95% confidence interval for given data.
Time the length of 10 commercials on your favorite TV channel. Use these commercial lengths to establish a 95% confidence interval for the mean length of commercials on your favorite channel. In this forum post give your results and explain what they mean in context of your favorite channel.
Here are the lengths of the commercials to be used:
3031.53231.33031.732293031.6
Does this sample indicate a smaller average? Use α = 0.05 and assume a normally distributed population.
A scientist examined the effect of temperature and catalyst on the yield of a reaction. He ran the experiment at both 150° and 200°C with two types of catalyst.
Find out the value of test statistic utilizing one sample proportion testing. Use the subsequent information for the below questions.
What does r 2 of .73 tell us? Is this a strong or weak correlation? How can you tell?
The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
Using quadratic regression model find the estimated number of planes.
If a technical breakthrough occurred that raised the profit per unit of X 1 to $3, would this affect the optimal solution?
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Run a multiple regression and interpret all the findings, R 2 , F, IV coefficients, and the intercept. Then in paragraph format, identify and report the following:
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