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The data set represents the ages of 30 executives. 43 57 65 47 57 41 56 53 61 54 56 50 66 56 50 61 47 40 50 43 54 41 48 45 28 35 38 43 42 44 Find the percentile that corresponds to an age of 40 years old.
Blank 1 Which ages are above the 75th percentile? List them in order from least to greatest all with a comma in between, no space.
Blank 2 Note: For percentile, use this formula- Percentile of x = (number of data entries less than x)/total number of data entries*100
What is the probability that the amount of protein is less than 7.75 grams?- What is the probability that the amount of protein is between 7.8 and 8.2 grams?
If we assume that the height of adult males in the US are normally distributed find the 99% confidence interval for the mean height of all US males.
Petitions. To get a voter initiative on a state ballot, petitions that contain at least 250,000 valid voter signatures must be filed with the Elections.
which is preferable as a graphical display for a large quantitative data set a histogram or a stem-and-leaf diagram?
You are required to submit the FINAL copy of this assignment, but you may first submit an optional DRAFT. This will allow you to receive qualitative feedback that can inform your revision. You should always avoidfocusing solely on the grader's DRA..
we asked subjects how many siblings they had and what their average test score was in their geography class. draw a
Compute the mean and median and compute the variance, standard deviation, range, and coefficient of variation.
the offices of president vice president secretary and treasurer for an environmental club will be filled from a pool of
given independent random variables with the means and standard deviations below find the mean and standard deviation of
What is the probability of this happening, assuming that the Nielsen ratings for the show are accurate?
Why would the random variable y, defined as y 5 x2 2 x1, be of interest to the furniture manufacturer? What is the mean value of the random variable y? Assuming that x1 and x2 are independent, what is the standard deviation of y?
We don't actually need further calculations to compare the effects of the price partitions within regions; everything we need is in Table 1 and Table 2. Using those tables, identify a statis- tically significant difference among the means in the N..
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