The formula for the ratio is the mileage that 14 students drive to work out of 20 students. Compute the central tendency (mean, median, mode) and dispersion (range, variance, standard deviation). Mileages 1.5 10 2 1 55 1.88 5 20 20 35 40 17 9 35
Suppose you have drawn a simple random sample of 10 students from a college campus and recorded how many hours each student studies (X) during the first week of December, 2009. Results: Student # 1 2 3 4 5 6 7 8 9 10 Hours Studied: 10 15 20 5 0 18 12 18 7 15 For this sample, compute PXi, the sample
According to a Data Set, the list measures voltage amounts obtained from the author's back-up UPS (APC model CS 350). According to the manufacturer, the normal output voltage is 120 volts. The 40 measured voltage amounts from the data set have a mean of 123.59 volts and a standard deviation of 0.31 volt. Use a 0.05 significance
For the following numbers 10 7 16 9 11 14 15 6 2 10 Calculate the a. Calculate the mean. b. Calculate the median. c. Calculate the mode. d. Calculate the range. e. Calculate the variance. f. Calculate the standard deviation. g. Calculate the coefficient of variat
18. For the data in the following matrix: No treatment Treatment Male M=5 M=3 Overall M =4 Female M=9 M=13 Overall M= 11 Overall M = 7 Overall M=8 a. Describe the mean difference that is the main effect for the treatment. b. Describe the mean difference that is the main effect for gender. c. Is there an
66.) 3.44 3.42 3.35 3.39 3.49 3.49 3.41 3.46 3.41 3.49 3.45 3.48 3.39 3.46 3.44 a. What is the arithmetic mean selling price? b. What is the median selling price? c. What is the modal selling price? 69.) 32 21 60 47 54 17 72 55 33 41 a. Compute the ran
Please help confirm that I am on the right track. See attached for data. 1) Calculate the measures of central tendency, dispersion, and skew for attached data, according to price vs. distance. 2) Display descriptive statistical data in a graph and tabular technique. Please provide frequency distribution and histogram. 3) I
Finance Help 1. An American business needs to pay (a) 15,000 Canadian dollars, (b) 1.5 million yen,and (c) 55,000 Swiss francs to businesses abroad. What are the dollar payments to the respective countries? 2. An American business pays $20,000, $5,000, and $15,000 to suppliers in, respectively, Japan, Switzerland, and Canada. How much, in local currencies, do the suppliers receive? 3. Compute the indirect quote for the spot and forward Canadian dollar, Japanese Yen, and Swiss franc contracts. 4 You are considering a security with the following possible rates of return:
1. An American business needs to pay (a) 15,000 Canadian dollars, (b) 1.5 million yen,and (c) 55,000 Swiss francs to businesses abroad. What are the dollar payments to the respective countries? 2. An American business pays $20,000, $5,000, and $15,000 to suppliers in, respectively, Japan, Switzerland, and Canada.
11. For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 2, 2, 0, 5, 1, 4, 1, 3, 0, 0, 1, 4, 4, 0, 1, 4, 3, 4, 2, 1, 0 12. For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard devia
See attached files. 1. Draw a Frequency Distribution for the following data: 17, 1, 3, 4, 4, 16, 2, 2, 2, 7, 8, 7, 1, 2, 2, 5, 4, 3, 12, 9, 6, 3, 6, 10, 5, 2, 3, 11, 14, 2, & 2. 2. Describe briefly the shape of the Frequency Distribution in problem 1. 3. What is the median of the data in 1 above? 4. What is the
This data represents the cholesterol levels in mg per 100 mL for 52 participants on a regular diet. 1. On the page labeled Histogram, make a frequency distribution and relative frequency distribution using 6 classes. Use this to make a relative frequency histogram. Be sure to properly title and label your graph. 2. On the
Problem-1: The number of unemployed workers in the United States in recent years (in millions) is given below. [Please refer to the attachment fo the given data] a. Find the mean number of unemployed (in millions) in this period. Which year has unemployment closest to the mean? b. Find the standard deviation for the
Please see attached file. Exercises 80, 82, and 87 (Ch. 3) 80). Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept "call ahead" seating. Management of the restaur
1. Assume that a class length between 50.0 min and 52.0 min is randomly selected, and find the probability that the given time is seletced. Between 50.5 min and 51.8 min 2. Assume that voltages in a circuit vary between 6 volts and 12 volts, and voltages are spread evenly over the range of possibilities, so that there is a
The Apollo space program lasted from 1967 until 1972 and included 13 missions. The missions lasted from as little as 7 hours to as long as 301 hours. The duration of each flight is listed below 9 195 241 301 216 260 7 244 192 147 10 295 142 Explain why the flight times are a population. Find the mean and median
The American Automobile Association checks the prices of gasoline before many holiday weekends. ... during the May 2003 Memorial Day weekend in the Detroit, Michigan, area. .... before many holiday weekends. Listed below are the self-service prices for a sample of 15 retail outlets during Labor Day weekend of 2007 in the detroit
Describe, in your own words, the following terms and give an example of those terms marked by asterisks. Your examples are NOT to be those given in the lecture notes, or provided in the textbook. a. Mean* b. Median* c. Mode* d. Range* e. Standard deviation* f. Variance g. Percentile* h. Standard score* i. Symm
Differentiate between primary and secondary data sources. Is one better than the other?
See the attached file. Token thickness and Bank transaction problem to excel worksheet. A bank has determined that an average transaction time of sixty seconds with a variation of plus or minus five seconds for automated teller machines (ATM's) is expected. A survey shows the following transaction times.
Based on an analysis of the last six months sales your boss notices that sales of beef products are declining in your chains restaurants. As beef entree sales decline, so do profits. Fearing beef sales have declined due to several newspaper stories reporting E coli contamination discovered at area grocery stores, he suggests a s
Consider the data 8, 6, 7, 7, 9, 4, 8. What is the variance? Given the following sentences in years for vehicular manslaughter group of 27: Sentences f 10 1 9 0 8 4 7 8 6 1 5 3 4 3 3 3 2 2 1 2 What is the mean score? Consider the data 8, 6, 7, 7, 9, 4, 8. What is the standard deviation? The scores on a cr
In management, how important is it that we learn to use math to solve problems? How valuable is an MBA degree without the ability to identify the cost of a company's capital, the return on investment, the gross margin percentage, the break-even point, or even what percent of a population would be willing to buy our product?
1) The following table shows nominal GDP and an appropriate price index for a group of selected years. Compute real GDP. Indicate in each calculation whether you are inflating or deflating the nominal GDP data. Year Nominal GDP, Price Index 1960 $ 527.4 22.19 1968 911.5
1. A bank located in a commercial district of a city has developed an improved process for serving customers during the noon to 1:00PM peak lunch period. The waiting time (as defined as the time the customer enter the line until he or she is served) of all customers during this hour is recorded over a period of 1 week. A random
Assume NJD Bottling is a company producing power drinks. You visited the company and did a sampling of 15 bottles to figure out the average volume of the bottle. You recorded the following data: 17, 16, 17.5, 16.7, 17.3, 15, 17.2, 17, 17.2, 16.8, 17.3, 16.9, 17.4, 17.7, 17.1 a- Find the mean, median mode of the da
Can I have help with this one please. thanks YOU HAVE 50 MINUTES FOR THIS EXAM. YOU MAY USE A CALCULATOR AND THE ABBREVIATED TABLE OF z-SCORES AND PERCENTILES GIVEN ON THE LAST PAGE. ENTER YOUR CHOICES ON THE COMPUTER ANSWER FORM AND IN THE BOXES BELOW THE QUESTIONS. JUSTIFY YOUR RESPONSE IN THE SPACE PROVIDED BELOW EACH QUES
Calculate the difference scores for the following data from a repeated-measures study. Subject--Treatment#1--Treatment#2-- Difference Scores A 34 44 _________? B 41 39 _________ ? C
Provide an example from your work or home life; illustrate the difference between the application of descriptive statistics and inferential statistics. What type of information would you be looking to obtain with inferential statistics and which tools might you use to achieve that?
Problem 1- Use the data from file named "EA1.2 Class Data Gender" For each of the variables - Gender, Miles from College to Home States, and Capitols You Can Name calculate the following statistics and graphs: a. Using at most seven classes, organize the sample data into a frequency distribution. b. Graph out the data for
An animal trainer obtained the following sample data (Table A) in a study of reaction times of dogs (in seconds) to a specific stimulus. He then selected another group of dogs that were much older than the first group and measure their reaction times to the same stimulus. The sample data is shown in Table B. Table A