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1. The variable overhead efficiency variance has nothing to do with efficient use of variable over-head. Do you agree or disagree? Why?
2. Explain why the fixed overhead spending variance is usually very small.
3. What is the cause of an unfavorable volume variance? Does the volume variance convey any meaningful information to managers?
4. Which do you think is more important for control of fixed overhead costs: the spending variance or the volume variance? Explain.
Consider a monthly time series dataset for which we believe that the model Xt = (at + b)st + Zt is appropriate where st is a seasonal function i.e., st+d = st and Zt is white noise. What would be a way to difference the data in order to elimin..
a screening test for a newly discovered disease is being evaluated. in order to determine the effectiveness of the new
A business man must travel to five different destinations
What is the probability that a randomly selected blue-collar employee is in favor of both the modified health care plan and the changed work schedule?
quantitative analysis decision makingquestion 1- explain the advantages and disadvantages of two time-series analyses.
a new program is developed to enrich thekindergarteneperience of children in prepararion doe first grade. hillmont
A bank branch located in a residential area has developed an improved process for serving customers during noon to 1:00 P.M lunch period. The waiting time in minutes (defined as time the customer enters the line to time he or she reaches the teller w..
How would you define the Wilcoxon Signed Rank Test?
A 1982 study indicated that 40% of young adults (18-25 years old) in the U.S. smoked cigarettes. In a later survey of 1500 young adults, 536 were found to be smokers. Do the data indicate that the smoking rate for young adults in the U.S. has decreas..
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. Fisher's exact test, Cramer's V, Yates' correction or Regression
Explain what it means for two events to be mutually exclusive; for N events. If A and B are events, define (in words) A, A U B, A n B, and A n B.
Need help with running correlation commands in excel, as well as how to run the four regression commands: backward, forward, stepwise and best subsets.
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