, 02.12.2019 18:50

# The null and alternate hypotheses are: h0 : μ1 = μ2h1 : μ1 ≠ μ2a random sample of 12 observations from one population revealed a sample mean of 25 and a sample standard deviation of 3.5. a random sample of 9 observations from another population revealed a sample mean of 30 and a sample standard deviation of 3.5.at the 0.01 significance level, is there a difference between the population means? state the decision rule. a. state the decision rule. b. compute the pooled estimate of the population variance. c. compute the test statisticd. state your decision about the null hypothesis. e. the p-value is

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Mathematics, 04.02.2019 18:43
Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost$29, and during their second month, they gained \$115, what was their profit or loss for their third plzzz i will give you 299 points