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Two students were asked to rate six different television shows on a scale from 1 to 10 points, with higher values ranking ahead of lower values. Compute the sum of squares of the difference in ranks (Sigma d squared) ,as needed in a Spearman rank correlation coefficient.
Show A B C D E F
Student 1 4 6 8 6 1 7
Student 2 7 9 3 5 1 5
A: 0.0
B: 41.5
C: 33.5
D: 3.0
when testing h0u gt u0 using confidence intervals if u is not contained in the confidence interval then we would a.
Are X and Y independent?
Make a stem plot for the men height data. Calculate the five-number summary for the women.
Rachel's doctor suspects she is suffering from hypoglycaemia. The amount of glucose in the bloodstream varies and a person with hypoglycaemia has an average blood glucose level of less than 65 mg/dL.
suppose a cat has a litter of 8 kittens. of those 8 kittens 3 are black. three kittens are selected at random without
three samples of 9 members each were selected representing urban suburban and rural residents to evaluate their
Compute mean, standard deviation, coefficient of variation and 5 key percentiles for these data.
a distribution with a mean of micro 38 and a standard deviation of s 20 is being transformed into a standardized
Determining whether or not the proportion of the population in favor of Candidate A is significantly more than 80%. The value of the test statistic and the p-value respectively are?
suppose that the time to failure of a particular part in a system has an exponential distribution with expected time to
Your company builds roads, bridges, schools and other multi-million dollar public construction projects. Competitive bids are made for the contracts to undertake these projects. For each project there are three costs:
How many ounces should they advertise on the box if they want to be sure that no more than 0.5% of the boxes are filled less than that advertised amount?
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