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1. Which statistic may be used to summarize a set of categorical data? A) Percent in each category B) Median C) MeanFeedback: Mean and median are statistics that describe a quantitative data set. The percent that falls in each category can be used to describe a categorical data set.Points Earned: 0.0/1.0 Correct Answer(s): A 2. In order to employ the Empirical Rule which one of the following is true? A) The data needs to be Empirical. B) The data needs to be bell shaped C) The data needs to be normal D) The Empirical Rule works for any data set.Feedback: The data needs to be bell shaped. Normal is a specific type of bell shaped distribution, but is not necessary to employ the Empirical Rule.Points Earned: 1.0/1.0 Correct Answer(s): B 3. A study was done at Penn State to determine the attitudes students have regarding students carrying guns on campus. The study design involved randomly selecting 50 students from each class standing: Freshman, Sophomore, Junior, Senior, and Graduate. The design BEST describes which sampling method? A) Stratified B) Simple Random C) Cluster D) ConvenienceFeedback: Randomly selecting from each class standing, or strata, would be an example of stratified random sampling.Points Earned: 1.0/1.0 Correct Answer(s): A 4. When graphing categorical data, which of the following graphs would be MOST appropriate? A) Box plot B) Pie Chart C) Histogram D) Stem and LeafFeedback: Except for the pie chart, all other graphs are for quantitative data.Points Earned: 1.0/1.0 Correct Answer(s): B 5. What observed height would have a z-score of zero? A) 65 B) 69 C) 73 D) 0Feedback: For a z-score of 0 we would find the observed height using the equation: observed equals z-score times SD plus mean. A z-score 0 times 4 would be 0, and adding this to a mean of 69 would simply be 69. Or, if you recall that z-scores represent the number of standard deviations an observed score is from the mean then a z-score of 0 would mean the observation was zero standard deviations from the mean thus the observed value would be the mean.Points Earned: 1.0/1.0 Correct Answer(s): B 6. Approximately what percent of male heights are between 65 inches and 73 inches? A) 99.7 B) 95 C) 68 D) 50
super clinics offers one service that has the following annual cost and volume estimates variable cost per visit 10
malibu corporation has monthly fixed costs of 66000. it sells two products for which it has provided the following
Computing equivalent production
Give the journal entries to issue the bonds and pay each of the first two interest payments to bondholders.
Which one of the following is NOT the component of cost?
the lp partnership was formed on january 1 19x7 by investments from bill levy and marv parcells. levy contributed 30000
difference between heavy lift surcharge and long lift surcharge difference between heavy lift surcharge and long lift
1983 in clinton miss. as long distance discount services inc. ldds. formed to take advantage of the business
What is the Doubtful Accounts Expense for the year ended December 31, 2009 if the Accounts Receivable at December 31, 2009 is $440, the Allowance for the Doubtful Accounts at January 1, 2009 is $64,
Revel Company has average daily sales of $5,000, 90% of which are on credit. Receivables are collected 28 days after sales, on average. What is Revel's average accounts receivable balance?
supreme sales company which sells only on account had a 100000 balance in its accounts receivable and a 4000 balance in
The equipment will have an initial cost of $400,000 and have a 5 year life. If the salvage value of the equipment is estimated to be $75,000, what is the annual net income?
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