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Exploring Inferential Statistics and Their Discontents Represented as ? = 1.73 Ha: New toothpaste lessens cavities in comparison to other brands, indicated as ? < 1.73 c) we cannot apply the z-test or the t-test since we require the standard deviation apart from the mean alone of the new brand toothpaste. Sample size=60, sample mean = 1.5 d) Population standard deviation or sample standard deviation – missing hypothesisized mean = 1.73 e) Ho will be rejected since t-test is not applicable f) lack of standard deviation makes determination of 95% confidence interval impossible since it requires sample mean +/- t critical value*s/sqrt n 4.

8 Pages(2000 words)Assignment

Genetics[Student Name] [Instructor’s Name] [Course Code] [Date] Genetics The students of our class were asked to go to lab and measure height using height scale during practical 10. The whole group of student consisted of male and female students. The heights measured then were arranged into their respective groups.

6 Pages(1500 words)Assignment

StatisticsIn other words, if row (or column) percentages were given than the total of each row (or column) percentages should have been 100 and it is not.
Yes, this table support that “more than

4 Pages(1000 words)Assignment

Analysis of VarianceHowever, this violation of normality could be due to the relatively small size of the data sets.
Conclusion: The results do not sustain our earlier assertion that the mean tensile strength is equal at different levels of weight percent of cotton.

1 Pages(250 words)Assignment

Minitab workIs there evidence to suggest that mean has changed?
iv) Perform a hypothesis test to see whether the mean number of male cattle is equal to the mean number of female cattle. To three decimal places, what is the p value from the test? Is there evidence to reject the null

2 Pages(500 words)Assignment

Various Statistical Questions4. Correctly state the Null and Alternative hypotheses for the following: “The owner of Books R Us wants to see if the mean of a recent sample of sales data for the first and second quarters is greater than the average sales data benchmark he’s been

1 Pages(250 words)Assignment

Statistics classAs the test statistic value was less than the z-value, we rejected the null hypotheses that mean annual income is $50,000 and accepted the alternate hypotheses of income to be less than $50,000. This shows that the manager was indeed correct in his or

6 Pages(1500 words)Assignment

MinitabThe p-value is given as 0.000 (a value less than α=0.05); we thus reject the null hypothesis and conclude that there is significant difference in the proportion of those who gave the right answers and those

2 Pages(500 words)Assignment

Final StatWork: Since mean depends on the mid point, so the mid point of the interval 4.0 to 8.4 is 6.2 whereas the median remains the same since it depends upon the coverage of frequencies ie. in the interval 2.0 to 2.9 already more than 50% of the frequencies are covered,

9 Pages(2250 words)Assignment

Confidence Interval of ProportionsRumsey, D., 2005. Statistics workbook for dummies : [practice on hundreds of beginning-to-intermediate statistics problems ; review key statistics concepts ; get complete answer explanations for all problems].

2 Pages(500 words)Assignment

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