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Annual per capita consumption of milk is gallons. being from the midwest, you believe milk consumption is higher there and wish to support your opinion. A sample of 16 individuals from the Midwestern town of Webster City showed a sample mean annual consumption of 24.1 gallons with a sample standard deviation s=4.8. what is a point estimate off the difference between mean annual consumption in Webster City and the national mean?
Assume that the regression equation for the relationship between SAT scores and IQ scores is y = 9 +.105x. What would you expect the IQ score to be for the following individuals, given their SAT scores? Individual SAT Score IQ Score Susan 850 Sall..
Secondhand smoke is somewhat harmful or very harmful. Is there statistically significant evidence against the representative's claim? Why or why not?
Given the following data, calculate the EMV for each investment alternative. Which is best based on the EMVs you calculated?
Using a critical value, test hypothesis at the 1% level of significance.
The concessions manager at the Clemson vs. USC football game must decide whether to have the vendors sell sun visors or umbrellas. There is a 30% chance of rain
Find the probability that the mean age of those doctors is less than 53.00 years. Assume that the variable is normally distributed.
Which of the following errors will be associated with the sample? Errors due to interviewer bias and selection bias.
Carry out a t-test to see if the mean healing rate is significantly lower in the experimental limbs, including all 12 newts. What are the test statistics and their P-values?
Has there been a significant shift upward in the percentage of persons who want to go to Europe? Using the .05 significance level for this study.
Weight of the .5 cubic yard bag of landscape much is normally distributed with mean of 40 pounds and standard deviation of 1. Determine the probability that the bag will weigh more than 40 pounds?
A random sample of 15 college graduates revealed that they worked an average of 5.3 years on the job before being promoted. The sample standard deviation was 1.2 years. Using the 0.95 degree of confidence, what is the confidence interval for the p..
If the sides of a square are lengthened bt 5cm, the area becomes 169cm2. Find the length of a side of the original square.
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