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What results in your departments seem to be correlated or related to other activities? How could you verify this? Create a null and alternate hypothesis for one of these issues. What are the managerial implications of a correlation between these variables?
Suppose four heads appeared face up on four tosses of a coin. what is the probability that a head will appear face up in the next toss of the coin?
planning parenthood reg a national organization that assists teenage mothers with pregnancy estimates that
Let X be a random variable which is distributed normal with mean 200, but you don't know the standard deviation. Do pairwise comparisons (greater than, equal to, less than or can't say) for the following four quantities:
How did you think that your sample would compare to the national mean? This is your hypothesis. State either the alternate or null hypothesis and identify which one you are stating.
For the sample of men, performance on the simulator task declined by an average of 2.9 points with s = 4.1. Is this a statistically significant change? Use a two-tailed test with = .05.
Test for single Proportion - Are the data consistent with the model? Answer yes or no, and explain briefly.
the project requires you to use the statistical techniques learned in this class. you may make up data as you like
The following table shows the number of miles driven in each trial.
a multiple choice question consist of 8 questions with five choices abcd or e.if all 8 answers are random guesses what
astudy of 31000 hospital admissions in new york state found that 4 of the admissions led to treatment-caused injuries.
a sample of 200 smokers were asked at what age they started smoking. the sample mean was 18.3 years with a standard
The speed limit on Interstate 75 around Findlay, Ohio, is 65 mph. On a clear day with no construction, the mean speed of automobiles was measured at 63 mph with a standard deviation of 8 mph.
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