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Dole Pineapple Inc. is concerned that the 16 ounce can of sliced pineapple is being overfilled. The quality control department took a random sample of 50 cans and found that the arithmetic mean was 16.05 ounces and the standard deviation of the process is 0.03 ounces. At the 5 percent level of significance can we conclude that the mean weight is different than the 16 ounces?
1. State the null hypothesis and alternate hypothesis
2. What is the test statistic?
3. What is the p-value?
4. What is the decision regarding the null hypothesis
if the population standard deviation of the lifetime of washing machines is estimated to be 900 hours how large a
Develop the opportunitiy loss table and compute the expected opportunity loss for each product. Determine how much the firm would be willing to pay to a market research firm to gain better information about future market conditions.
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a market survey was conducted to estimate the proportion of homemakers who would recognize the brand name of a cleanser
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Using a MANOVA, try to ascertain which version of the drug (A, B or C) shows the most promise. Perform the following analyses, and paste the SPSS output into your document.1. Exploratory Data Analysis.
A University Counseling Clinic is interested in predicting the levels of depression from the number of social events attended per week by a sample of their clients. The data are below:
Assume you were in charge of advertising for an automotive dealership when the gas prices increased to $6 per gallon. Most of your cars are fuel-efficient, but you have two models that have extremely poor fuel economy
Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.
Using the .05 level, what should the experimenter conclude? (a) Use the steps of hypothesis testing, (b) sketch the distributions involved.
Suppose the score of architects on a partecular creativity test are normally distributed. What percetage of architects have a Z scores (A) above .10.
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