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Missy Walters owns a mail-order business specializing in baby clothes. She is considering offering her customers a discount on shipping charges based on the dollar-amount of the mail order. Before Missy decides the discount policy, she needs a better understanding of the dollar-amount distribution of the mail orders she receives. Missy had an assistant randomly select 50 recent orders and record the value, to the nearest dollar, of each order as shown below.
136 281 226 123 178 445 231 389 196 175211 162 212 241 182 290 434 167 246 338194 242 368 258 323 196 183 209 198 212277 348 173 409 264 237 490 222 472 248231 154 166 214 311 141 159 362 189 260
a. Determine the mean, median, and mode for this data set.b. Determine the 80th percentile.c. Determine the first quartile.d. Determine the range and interquartile range.e. Determine the sample variance, sample standard deviation, and coefficient of variation.f. Determine and interpret the z-scores for the minimum and maximum values in the data set.
A study by Hewitt Associates showed that 79% of companies offer employees flexible scheduling. Suppose a researcher believes that in accounting firms this figure is lower. The researcher randomly selects 415 accounting firms and determines that..
Consider a Stackelberg duopoly game of quantity competition. Firm #1 is the "Leader" and firm #2 is the "Follower." Market demand is given by the inverse demand function p=100-4Q.where Q=q1+q2 is the total output of the two firms.
Imagine you are a consultant hired to give advice to a fast food restaurant which is faced with employees asking for a 25% increase in pay. In order to give good advice, you need more information. Create three to four (3-4) questions that you woul..
An L treatment costs the physician 100 in cash, an H treatment costs the physician 200 in cash. A physician's utility from consumption x is log(x). an L treatment leads to a good outcome with probability 0.4. An H treatment leads to a good outcome..
use the formula present value = (future value)/(1 + r)n, where n is the number of years, and r is the annual interest rate. 3. From the perspective of year 1 /1/2010, the future value on 1/1/2012 is $5,500. If the interest rate in year 2012 is r
Twenty-six observations are used to obtain the following regression results: DEPENDENT VARIABLE: LNY R-SQUARE F-RATIO P-VALUE ON F OBSERVATIONS: 26 0.3647 4.21 0.0170 VARIABLE PARAMETER STANDARD ESTIMATE ERROR T-RATIO P-VALUE INTERCEPT 2.9957 0.3545 ..
Michelle and James each live alone in an isolated region. They each have the same resources available, and they grow potatoes and raise chickens. If Michelle devotes all her resources to growing potatoes, she can raise 200 pounds of potatoes per y..
A firm has a production function Q=F(K,L) with the constant return to scale, where k is units of capital and L is unites of labour.Imput prices are r=$2 per unit of K and w=$1 per unit of L.When it produces 5 units of output,it uses 2 units of cap..
Some time ago you put $500 into a bank account for a "rainy day". Since then, the bank has been paying you 1% per month, compounded monthly. Today, you checked the balance and found it to be $708.31. How long ago did you deposit the $500
A consumer of two goods faces positive prices for both goods and has positive income. Her preferences over consumption of good 1 and good 2 are represented by the following utility function: u(x1; x2) = min {2x1 + x2; x1 + 2x2}
Mapleville Tennis & Golf Club offers golf and tennis memberships to the residents of Mapleville. Market research has found there are two types of families living in the city: 120 golf-oriented families and 100 tennis-oriented families.
There are 168 hours in a week. Of these, about 60 hours will go to sleeping (more or less). That leaves 108 hours for which we have a choice in terms of how we will spend that time. Let's assume that we will spend the 108 hours in either work or l..
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