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Black Hole Pizza Parlor instructs its cooks to put a "handful" of cheese on each large pizza. A random sample of six such handfuls were weighed. The weights to the nearest ounce were:
3
2
4
5
a) Find the mode, the median and the mean weight of the handfuls of cheese.
b) Find the range and the stand deviation of the weights.
how many chocolate chip cookies will he need to sample to estimate the mean to within 2, what is a 99% confidence interval for the average number of chips per cookie?
Construct a 95% confidence interval on the population mean for the following sample data set:
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
The following data represent the cost of electricity for the period of July 2008 for a random sample of 50 one-bedroom apartments in a large city.
The sampling distribution of the average score and Suppose x' is your average pay for the 100 weeks. Then x' has approximately
A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation.
P(A 1 )= .20, P(A 2 ), and P(A 3 )= .40. P(B 1 I A 1 ) = .25. P(B 1 I A 2 ) = .05. P(B 1 I A 3 )=.10. Use Bayes' theorem to determine P(A 3 I B 1 )
State the null and alternative hypotheses you would use to test whether the year-end bonuses paid by Jones & Ryan were different from the population mean.
Calculate the sample statistic and standard error you will use to create the test statistic.
Explain the terms parameter and statistics. Make sure the concepts of population and sample are included in the definitions.
To test is there any significant difference among two proportions. The Damon family owns a large grape vineyard in western New York along Lake Erie.
A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.
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