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Question: Data were collected from a process in which the factor of interest was whether a finished item contained a particular attribute. The fraction of items that did not contain the attribute was recorded. A total of 20 samples were selected. The common sample size was 150 items. The total number of nonconforming items was 720. Based on these data, compute the upper and lower control limits for the p-chart.
Remember to explain what details and experiences these ex-slaves gave in describing the institution of slavery and the practice of slavery.
Given that IXi≤t is a Bernoulli random variable equal to 1 with probability Φ(t), show that the variance of the normalized estimator IXi≤t/Φ(t) goes to infinity when t decreases to -∞.
Can you can tell the difference between coke and pepsi in a blind taste test? Most people say they can and have a preference for one brand or another.
A sample of 35 workers was randomly selected from a workforce of 110 to estimate the average amount spent weekly at a canteen by each worker.the sample meam was $13 and the sample standard deviation was $3.25.
Compute the expected return of stock a and compute the standard deviation - compute the expected return ?B. Compute the standard deviation ?C. Presuming the stock returns are normally distributed, what do these results indicate?
He argues that regression effect says people who do very poorly in their previous job tend to perform well in their next job. Is this what the regression effects? Describe in detail.
The report on this survey claims that this is not significantly different from the percentage (33%) who said they ordinarily get their science news from television. What does it mean to say that the difference is not significant?
Prices (in dollars) were recorded for a sample of 60 randomly selected grocery items at each of the three supermarkets. In order to reduce item-to-item variation, the prices were recorded for each item on the same day at each supermarket. Identify..
how do you find the pooled standard deviation in an anova table?a. it is the mse.b. it is the msg.c. it is the square
service calls come to a maintenance center according to a poisson process and on the average 2.7 calls come per minute.
We did a Google search of "videos for law of large numbers" and "videos for the central limit theorem" and found several links.
Explain to someone who knows no statistics why the two polls can give such widely differing results and which poll is likely to more reliable.
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