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In a one-factor anova with n1=7, n2=6, n3=5, n4=5, and n5=7, the sample standard deviations were s1= 12, s2= 24, s3= 16, s4= 46, s5= 27.
For hartley's test: (a) state the hypothesis, (b) calculate the degrees of freedom, (c) find the critical value at the 5 percent level of significance, (d) calculate hartley's test statistic. (e) what is your conclusion
State the hypotheses for a chi-squared test in the context of this problem. Calculate the expected matrix and describe what it represents. Calculate the test statistic. Describe what this represents and answer the question posed.
If you arbitrarily grab 2 socks out of drawer determine the probability that you grab a matching pair?
consider the function given below fx kx4 0 lt x lt 2.76 what must be the value k so that fx is a valid probability
a rapid test for the presence in the blood of antibodies to hiv the virus that causes aids gives a positive result with
1. construct the confidence interval for the population mean?c0.95 xsamplemean 16.1 s8.0 and n90a 95 confidence
A quality-control manager randomly selects 70 bottles of ketchup that were filled on S1 to assess the calibration of the filing machine. Determine the population study?
Assuming 7 classes with a class interval width of 4, plot the data and construct a curve. What type of distrubtuion is indicated by the curve?
30 in Canada, and 6 in the United State. At level of significance 0.05, test whether the distribution of sales has changed from last year.
manufacture of a certain component requires three different machining operations. machining time for each operation has
What is the probability that none are a commercial success?
The mean is a useful measure, but it can be misleading. Describe a circumstance when the mean is very useful as the average and a circumstance when the mean is very misleading as the average.
1. a study of machiavellian traits in consultants was performed. the consultants were then classified as having
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