# Question: Which statement is correct Why not the others a The level

Which statement is correct? Why not the others?

a. The level of significance is the probability of committing Type I error.

b. As the sample size increases, critical values of t.05 increase, gradually approaching z.05.

c. When is unknown, it is conservative to use z.05 instead of t.05 in a hypothesis test for.

a. The level of significance is the probability of committing Type I error.

b. As the sample size increases, critical values of t.05 increase, gradually approaching z.05.

c. When is unknown, it is conservative to use z.05 instead of t.05 in a hypothesis test for.

**View Solution:**## Answer to relevant Questions

Give an example of how statistics might be useful to the person in the scenario. a. An auditor is looking for inflated broker commissions in stock transactions. b. An industrial marketer is representing her firm’s compact, ...Give an example of how statistics might be useful to the person in the scenario. a. A personnel executive is examining job turnover by gender in different restaurants in a fast-food chain. b. An intranet manager is studying ...“Many college graduates will not use very much statistics during their 40-year careers, so why study it?” (a) List several arguments for and against this statement. Which position do you find more convincing? (b) Replace ...Last month, 85 percent of the visitors to the Sonora Candy Factory made a purchase in the on-site candy shop after taking the factory tour. This month, a random sample of 500 such visitors showed that 435 purchased candy ...Given n1 = 8, s1 = 14, n2 = 12, s2 = 7. (a) Find the test statistic for a test for equal population variances. (b) At α = .05 in a two-tailed test, state the critical value and degrees of freedom.Post your question