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You wish to compare the prices of apartments in two neighboring towns. You take a simple random sample of 12 apartments in town A and calculate the average price of these apartments. You repeat this for 15 apartments in town B. Let μ1 represent the true average price of apartments in town A and μ2 the average price in town B.
What would be the hypotheses for this problem?
Compute the minimum amount of steel that should be stocked in the warehouse at the beginning of each month, such that the company will be able to accomplish goal and In other words, the company would still like to see no customers lacking steel..
Write a short report describing the distribution of the visits to this web site. Include some discussion of why this distribution might have that particular shape.
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
Give the margin of error for a 95% confidence interval. (Enter your answer to three decimal places.)
What are the differences between a two sample t-test and ANOVA hypothesis testing? When would you use ANOVA at your place of employment, in your education, or in politics?
in a one-tail hypothesis test where you reject h0 only in the upper tail and the p-value is .0228 assuming zstate 2.00
1. what is the probaility that the weather in sydney will be bewteen 75 and 85 degree?2. you are aware that for iq mean
How are two populations compared for independent and dependent samples?
Quality Progress, February 2005, reports on the results achieved by Bank of America in improving customer satisfaction and customer loyalty by listening to the voice of the customer.
Hospitials having fewer that 1000 discharges is estimated from a simple random sample of size 25. Use the central limit theorem to sketch the approximate sampling distribution of the estimate.
According to the World Health Organization a policy encompasses a broad range of laws, guidelines, regulations, and habits necessary to maintain
The serum cholesterol levels for men in one age group are normally distributed with a mean of 185.1 and a standard deviation of 37.8. All units are in mg/100 ml. Find the two levels that separate the top 8% and the bottom 8% of this population.
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