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In a cheese factory, 5.0 kg blocs of cheese are cut manually. For a large number of blocks, the standard deviation of the cutting process is measured and found to be 0.11 kg. The measurement was done with a scale with an accuracy of 1.0 % of the full scale of 15 kg. Calculate the total uncertainty of the weight of the blocks of cheese at a 95 % confidence level.
scenario 1 a survey was conducted to measure the height of us males. in the survey respondents were grouped by age. in
Find the mean, median, mode, variance, standard deviation, frequency table, cumulative frequency table, coefficient of variation, and mean deviation of the population.
Obtain the estimated regression function. Plot the estimated regression function and the data. Does a linear regression function appear to give a good fit here?
Assuming that all other variables are held constant describe how value of z is influenced by each of the following: If alpha level is changed from a = .05 to a = .01. What occurs to boundaries for the critical regions?
let x have a nonstandard normal distribution with mu46 and sigma9 find the unknown boundary a such that p44ltxlta
In a Singapore Edition of Business Times, diamond pricing we explored. The price of a diamond is based on the diamond's weight, color, and clarity. A Simple random sample of 18 one-half-carat diamonds had the following prices, in dollar's:
Find the range and the standard deviation of the times.
Set up the null and alternative hypotheses to see if the data show that it does indeed take seniors longer than 15 seconds to cross the street. In terms of traffic flow, what are the implications of a Type I error?
Average electric use was studied.a previously known population standard deviation was 450KWH. a sample of 81 houses was studied and found to have a mean of 1858 KWH. Find the 95% confidence interval for the true mean.
suppose xyand c represent the length width and perimeter of a flat rectangular sheet metal part. note that xis a normal
the local municipality claims that since the percentage of intersections that had an accident last year decreased from
a coin that has been altered so that the probability of ?ipping heads is 0.4 is ?ipped twice. let x be the number of
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