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The three forms of the research or alternative hypothesis are:
a. High, low and neutral
b. Increased, decreased or changed
c. +1, -1, 0
d. Depends on the data given
according to a recent survey about 33 of people polled said they would likely purchase reusable cloth bag for
If the life of wild pheasants follows a normal distribution with a mean of 9 months and a variance of 9, what percent of the population will be less than 11 months of age?
the manager for state bank and trust has recently examined the credit card account balances for the customers of her
based on the u.s. bureau of justice data 16 of persons arrested are women. if 400 arrest cases are randomly selected
suppose there are two random variables x and y distributed uniformly over -2ltxlt2 and 0ltylt1. determine
question 1the subsequent set of data is the mark for 30 students in a final exam.a use spss commands analyze -gt
if the population standard deviation of the lifetime of washing machines is estimated to be 900 hours how large a
Do hotel managers on the average differ significantly in femininity score from men in general? Assume that the standard deviation of scores in the population of all male hotel managers is the same.
A doctor suspected that smokers between 40 and 50 with lung disease had been smoking on average more than 20 years - significance level is there sufficient evidence to justify the doctors belief?
A report on the U.S. economy indicates that 28% of Americans have experienced difficulty in making mortgage payments. A news organization randomly sampled 400 Americans from 10 cities named the "fastest dying cities in the U.S."
Using the 0.05 significance level what should we conclude about the theory that 24hrs. is a natural cycle? a) use hypothesis steps b) sketch distribution c) explain to someone who never took this course.
Pearson correlation coefficient was 0.61.a. Was the correlation coefficient significantlydifferent from zero? Use α = 0.05.b. Predict the torque for a current equal to 50 mA.
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