A Type I error is committed when
a. a true alternative hypothesis is not accepted
b. a true null hypothesis is rejected.
c. the critical value is greater than the value of the test statistic.
d. sample data contradict the null hypothesis.
b
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Data mining can be used for each of the following purposes, except:
A) develop profiles of a firm's best customers B) develop profiles of customers who tend to purchase competing brands C) identify current customers who fit the profile of a firm's best customers D) identify current customers who would be good prospects for cross-selling other products
Hitler’s reign is not considered a form of leadership because ______.A. leadership was not a true field of study before 1950 B. Hitler used coercion, which runs counter to the idea of working with followers C. Hitler did not possess the traits that are universally associated with leaders D. leadership is about teams and organizations, not communities and regions
A. leadership was not a true field of study before 1950 B. Hitler used coercion, which runs counter to the idea of working with followers C. Hitler did not possess the traits that are universally associated with leaders D. leadership is about teams and organizations, not communities and regions
Sean's gross pay for this month is $8750. His gross year-to-date pay, prior to this month, totaled $112,000. Sean's rate for federal income tax is 25%. His voluntary deductions total $950. What is Sean's net pay? (Assume an OASDI rate of 6.2%, applicable on the first $118,500 earnings, and a Medicare rate of 1.45%, applicable on all earnings. Round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.)
A) $6032.62 B) $5612.50 C) $6562.50 D) $5082.62
In bar graphs, you should _____________________ each bar
a. exaggerate b. color c. clearly label d. shadow