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Question: I'm non mathematics background, the basics of statics, I'm wishing to learn mean, median, mode and calculation of Standard Deviation, root values, Raw score, T-score Z- score, percentile and its conversions, finding P value , Phi, Sigma, and the related values conversion etc. (i.e. Psychometric tables basic values calculations and conversions).
Construct a 95% confidence interval for the difference M1-M2 between the mean spending on prescription allergy relief medication (M1).
Determine Hernandez's optimal shipping quantities so as to minimize total transportation costs.
Describe the 5-Step Hypothesis Test for a particular claim related to your work or life environment. (This should be a test of one-sample mean or one-sample proportion.
Public transportation and the automobile are 2 methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
The food distributor selects a sample of stores located in areas where he believes the shoppers are receptive to trying new products. What type of sampling does this represent?
Chronicle the story of the Native Americans over the past fifty years. How have they been left outside the definitions of freedom and equality.
we flip a fair coin 10 times. what is the conditional probability of getting 10 heads given that the number of heads is
Each year Ms. Fontanez has the chance to invest in two different no-load mutual funds: the Go-Go Fund or the Go-Slow Mutual Fund. At the end of each year, Ms. Fontanez liquidates her holdings, takes her profits, and then reinvests.
I randomly selected the route on 21 different days and wrote down the time it took me for the round trip, getting to work in the morning and back home in the evening. At the .01 significance level, can I conclude that there is a difference betwee..
At a party n men take off their hats. The hats are then mixed up and each man randomly selects one. We say that a match occurs if a man selects his own hat. What is the probability of no matches? What is the probability of exactly k matches?
A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is:
An automobile club claims that the average time for a non-stop trip from new york city to Washington, D.C. by automobile is 4.5 hours. A disbelieving driver feels that the claim is incorrect.
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