Problem 1: Using Symbols Word-process the symbol for population standard deviation (sigma) in the space below: Using Subscripts Word-process the symbol for population standard deviation with subscript x (sigma subscript x) in the space below: Using Equations Word-process the following five equations: k= N/n z= (
In order to control costs, a company wishes to study the amount of money its sales force spends entertaining clients. The following is a random sample of six entertainment expenses (dinner costs for four people) from expense reports submitted by members of the sales force. $157, $132, $109, $145, $125, $139 a) Calculate xbar,
TREPHENA HARDING SCOTT The letters in the above name represents the data set. From the given data set please answer the questions below. What is the type of your data? 1. What is the size of your data set? 2. Write your data in order from A to Z. For example, the student whose complete name is First Midd
1. Find the equation of the regression line for the given data. What is the predicted value of Y when X = -2? What is the predicted value of Y when X = 4? X -7 -2 5 1 -1 -2 0 2 3 -3 Y -12 -8 9 1 -5 -6 -1 4 7 -8 2. The data belo
CASE STUDY Dr. Zak developed a test to measure depression. He sampled 100 university students to take his five item test. The group of students was comprised of 30 men and 70 women. In this group, four persons were African American, six persons were Hispanic, and one person was Asian. Zak's Miraculous Test of Depression is pr
I am not sure what to do and these are very hard. Please help me as I can use this as an tutorial. Attached is also the data information 6.56 Obtain descriptive statistics and graphic displays for these salt-taste indices. Do the indices appear to be normally distributed? Why or why not? Compute the sample mean for this ind
2003 MLB Salaries by Team TEAM TOTAL PAYROLL AVG SALARY MEDIAN STD DEV New York Yankees $ 152,749,814 $ 5,455,350 $ 4,575,000 $ 4,781,135 New York Mets $ 117,176,429 $ 4,040,566 $ 1,300,000 $ 4,893,080 Atlanta Braves $ 106,243,667 $ 3,934,950 $ 800,000 $ 5,063,167 Los Angeles Dodgers $ 105,872,620 $ 4,072,023 $ 2,605,83
I'm to compute a One-Way ANOVA with one IV, a nominal variable that has 3 or more levels and one DV, a Likert style or Ratio variable. I'm having trouble identifing a nominal variable that has 3 levels and DV, a Likert style or Ratio variable. I'm to use a code book but they all look the same to me. Sample from codebo
Rensis Likert was the first to develop a method for measuring attitudes. He created survey items which were statements or questions, followed by an indication of agreement or support i.e. 5) strongly agree 4) somewhat agree 3) no opinion 2) slightly disagree 1) strongly disagree. Surveys using Likert scales are a common form of
Four projects must be completed, and each of four employees will be assigned to work on exactly one of the four projects. The table below presents an estimate of the cost that each employee would incur if working on the respective projects. What is the minimum-cost assignment of workers to projects? Table is attached.
1. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Find the standard deviation of the data summarized in the given frequency distribution. Salary Number of Employees 5,001 -10,000 14 10,001 - 15,000 13 15,001
Z-Scores Using the appropriate descriptive statistics from your Week 2 final project assignment and assuming that the sample statistics you computed are exactly equivalent to the corresponding population parameters, identify: What score on the pre-treatment Revised Children's Manifest Anxiety Scales (RCMAS) would correspon
The table below shows the values of the population means for a response variable at different treatments. Fill in the missing entries under the assumption that there is no interaction. Factors A = 1 A = 2 A = 3 B = 1 7 12 2 B = 2 7
This season, a fruit wholesaler has 1000 lb of fresh strawberries for sale. Previous experience shows that demand is a function of the price it charges and is given by the following: Demand = 1000 - 150 * Price For instance, when the price is $1.00 per lb, the demand is equal to 1000 - 150*1 = 850 lb. Any left-over strawberr
I am having a problem understanding these questions. I thought that maybe your assistance could help me understand this better. 1. In 1798, Henry Cavendish measured the density of the earth using an instrument called a torsion balance. While the density is obviously not uniform, the value of the mean density is important in d
Please help with the following statistics problems. For the following data: 15 25 13 10 9 17 13 15 20 5 1) Calculate the mean and standard deviation 2) Decide if it's a normal distribution 3) Build a frequency distribution
Using WHAT'S BEST! or Solver answer the following: Determine the least cost shipping schedule where each of three (3) hardware vendors provide up to two hundred (200) units and each of six (6) buyers demand one hundred (100) units. The shipping costs (in dollars per unit) which are provided from Buyer 1 to Buyer 6 are as foll
Scenario: Metropolitan Research, Inc., a computer research organization, conducts surveys designed to evaluate a wide variety of products and services available to consumers. In one particular study, Metropolitan Research Inc. looked at consumer satisfaction with the performance of automobiles produced by a major Detroit manufac
Description: A study of very low birth weight (VLBW; < 1500g) infants admitted to the neonatal intensive care unit (NICU) was conducted to examine relationships between infant characteristics, feeding status and outcomes. Infants were eligible for study if they had no congenital anomalies, were going to be cared for by their bio
To help fill its seats for a particular flight, an airline offers a special nonrefundable fare of $200 for customers who make a reservation at least 21 days in advance and satisfy other restrictions. Thereafter, the fare will be $600. A total of 100 reservations will be accepted. The number of customers who have requested a rese
Please help me indicate which scale these questions should be classified as being assessed on - nominal, ordinal, interval, or ratio scale? 1. On a scale of one to seven, where one is extremely uninterested, and seven is very interested; what is your interest in this new idea? 1 2 3 4 5 6 7 2. Are these days durin
The box plots below show the real estate values of single values of single family homes in two neighboring cities, in thousands of dollars. Real estate values in neighboring communities Community Tiny town 60 85 110 Bi
Please answer and show work! A random sample of a song playing times in seconds is as follows: 242, 231, 220, 213, 230, 293 1. Find the standard deviation 2. Are any of these playing times considered unusual? Does this differ with your intuition? Explain.
Hi, I am having a hard time with these questions. The questions are as follows, 1. Using the SPSS Output given below, interpret the data in the table for the within-subjects effect, the between-subjects effect, and the interaction. 2. Make sure to discuss the findings of the analysis in terms of what they actually mean in th
1. Wilson Publishing Company produces books for the retail market. Demand for a current book is expected to occur at a constant annual rate of 7200 copies. The cost of one copy of the book is $14.50. The holding cost is based on an 18% annual rate, and production setup costs are $150 per setup. The equipment on which the boo
Two types of equipment are being considered by your company to improve productivity and quality in the manufacturing process. Details for each type of equipment is as follows: Equipment A: this equipment has an initial investment of $78,000 and the salvage value at the end of the six year service life is estimated to be $20,0
A survey conducted by the Northwestern University Lindquist-Endicot Report asked 320 companies about the procedures they use in hiring. Only 54 %% of the responding companies review the applicant's college transcript as part of the hiring process, and only 44% consider faculty references. Assume that these percentages are true
Need Excel tutorial for this one more than help with the calculations (see attachment). 2 data sets of random numbers of 10000 entries each are generated using the random number generator in the excel data analysis pack. Lets say these data are normally distributed and have different means and they are on two different work
A data set that consist of 50 numbers has a minimum value of 16 and a maximum value of 74. determine the class boundaries using 2k>N rule if the data are a) discrete b) continuous Answer: a) 16-25, 26-35, 36-45, 46-55, 56-65, 66-75 b) 16 to under 26, 26 to under 36, 36 to under 46, 46 to under 56, 56 to under 66, 66 to u
A firm producing poultry feed finds that the total cost C in dollars for producing and selling x units is given by C = 18 x + 150. Management plans to charge $22.50 per unit for the feed. 1. What is the break-even cost? 2. What is the profit for 75 units of feed sold? 3. How many units must be sold to produce a profit of