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According to a report released by CIBC entitled "Women Entrepreneurs: Leading the Charge," the average age for Canadian businesswomen in 2008 was 41. In the report, there was some indication that researchers believed that this mean age will increase. Suppose now, a couple of years later, business researchers in Canada want to test to determine if, indeed, the mean age of a Canadian businesswoman has increased. The researchers randomly sample 97 Canadian businesswomen and ascertain that the sample mean age is 43.4. From past experience, it is known that the population standard deviation is 8.95. Test to determine if the mean age of a Canadian businesswoman has increased using a 1% level of significance. What is the p-value for this test? What is the decision? If the null hypothesis is rejected, is the result substantive?
Describes a positive linear relationship between X and Y
Bay Area university enrolled mba students in three cohorts programs:weeknight, Saturday, and distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs. State null hypothesis
How many free premium channels should the research director recommend for inclusion in the 3-For-All service ?
Conduct an ANOVA
Calculate and interpret a confidence interval at confidence level approximately 95% for the difference between population mean height for the younger women and that for the older women.
1 labforensic collection and analysis of persistent datawrite up your lab experience including the necessary steps
Reflection to date
Calculate the expected value, variance, and standard deviation of the total income
Find the probability that exactly 15 babies are female and find the probability that no more than 12 babies are female.
Are they weak or strong correlations - what is the significance value and what does the significance value reveal about the data we have used?
For a normal distribution, the z-score boundary that separates the lowest 2.5% of the scores from the rest is z = -1.96
A group of Brigham Young University
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