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Suppose you are an appraiser for homes in a metropolitan area. Discuss two quantitative variables and two qualitative variables that would apply.
Suppose you are an appraiser for homes in a metropolitan area. Discuss two quantitative variables and two qualitative variables that would apply.
67. The following data show that trailing 52 week primary share earnings and books values as reported by 10 companies(the wall Street Journal, March 13/2000). Company -Earnings-Book Value Am Elec -25.21 -2.69 Columbia En -23.20 -3.01 Con Ed -25.19 -3.13 Duk
A seven year old study reported that women whose mothers used the drug DES during pregnancy were twice as likely to develop tissue abnormalities that might lead to cancer as women whose mothers did not take the the drug. a. This study involved the comparison of two populations. What were the populations? b. Do you suppose
Find the Score which CUTS OFF the AREA on the normal curve given MU and SIGMA MU 100; Sigma 15; Area 0.85 = Score?
Please see the attached file for the fully formatted problems. A. 100 lengths of steel bar were measured and their lengths In centimetres (cm) are given in the table labelled Item 36 on your worksheet. i) Plot a histogram of the data provided. ii) Calculate forthe data: a) The arithmetic mean length. (Show all working). b
A ball bounces 1/2 its height each bounce. It is dropped from a height of one foot. a) How many times does it bounce? b) How far does it bounce? c)How long does it bounce? Does it ever come to rest? (Please show work).
How high will the fourth ball bounce if a stack of 4 balls is dropped from a height of 5 feet? Assume the usual perfectly resilient balls and large mass ratios.
Use the period 1990-1992 as the base period and compute a SIMPLE index of domestic sales for each year from 1996-1999, and do the same for the number of employees for this same period. Year Domestic International Employees 1990 5427 5805 82.2 1991 6248 6199 82.7 1992 6903 6850 84.9 1993
The number of "near misses" recorded for the last 20 months at the Lima Intl Airport is 3,2,3,2,2,3,5,1,2,2,4,4,2,6,3,5,2,5,1, 3. Develop an appropriate control chart . Determine the mean number of misses per month and the limits on the number of misses per month. Show all your work/calculations . Are their any months where
Only for above listed OTA. Suppose women's heights have a mean of 63.6 inches and a stan. dev. of 2.5 inches. Women basketball players must be in top 60% of heights to be eligible for WNBA. Find the height that separates the top 60% from the bottom 40%.
Only for above listed OTAs Pregnancies: normally 268 days is the mean and a stan.dev. of 15 days. If we say a baby is premature if born at least 3 weeks early, what % are born prematurely?????
The reliability coefficient for a test is determined to be 0.84. The standard deviation is 11. The mean for the test is 54. What is the maximum validity for the test? What is the standard error of measurement for the test? What range of scores would you expect an individual who made 54 on the test to make on another tes
GM engineers want to estimate mean driver response time to a new break light standard Deviation with the symbol Q upsidedown is known to be .15. fifty drivers have a mean response time of .72. find a 90% confidence interval.
Subject: How do I present an explaination of this data Details: I am suppose to present a half page Explaination of the data collected, by using statistical expressions. Survey for Statistics: 1. Age ____________ 2. Height ____________ 3. Weight ____________ 4. Favorite Activity ____________ 5.
Rent Resident: Amount of monthly profit from residential rent homes There is a data file attached. Rent Commercial: Amount of monthly profit from rent paid on commercial buildings. A realtor owns numerous residential and commercial buildings and collects rent on these properties. The realtor selects 100 months over t
Please see the attached file for full problem description. A scientist studying babies born prematurely would like to obtain an estimate for the mean birth weight, , of babies born during the week of the gestation period. She plans to select a random sample of birth weights of such babies and use the mean of the sample to es
Four symmetrical distributions, labeled (a), (b), (c), and (d), are represented below by their histograms. Without performing any calculations, order the respective standards deviations σ_a, σ_b ,σ_c , and σ_d of the distributions. A X X X X X X X X
Please see the attached file for full problem description.
Four distributions, labeled (a), (b), (c), and (d), are represented below by their histograms. Without performing any calculations, order the respective means , , , and of the distributions. A X X X X X X X X X 1 2
I need to verify my work and need help with work on Exercises 4, 5, 6, 7 from attached PDF file and Excel file. Please help soon. Please find the attached zip file for all the related files. 4. The Big Bang Novelty Company makes three basic types of noise-makers: Toot, Wheet, and Honk. A Toot can be made in 30 minutes and has
I need to verify my work and need help with work on Exercises 1, 2, 3 from attached PDF file and Excel file. Please help soon. Please find the attached zip file for all the related files. 1. A manager of a firm's research and development is currently reviewing a set of proposals prepared by her staff. She must soon decide w
What are discrete and continuous data
Describe how the mean compares to the median for a distribution as follows: a. skewed to the left, b. skewed to the right, c. symmetric
Calculate the mean for the given set of numbers: 10, 7, 8, 12, 14, 19, 6, 4
Using a class number of 8, a highest value of 259, and a lowest value of 125, find the class width.
What is the midpoint of the class 25.5-38.5?
At the time Beth was hired as a server at a Restaurant, she was told she could average $20 a day in tips. Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $24.85 with a standard deviation of $3.24. At the .01 significance level, can Beth conclude that she is earning an average of
A new machine has just been installed to cut & rough-shape large slugs. The slugs are then transferred to a precision grinder. One of the critical measurements is the outside diameter. The quality control inspector randomly selected five slugs each hour, measured the outside diameter, and recorded the results. The measurements (
A). Find the mean IQ scores for girls and for boys. It is common for boys to have somewhat higher scores on standardized tests. It that true? b). Compute 95% T intervals of the Girls' IQ's and the Boys' IQ's and explain what these intervals mean. c). Make a histogram for each set of data to determine whether each distribu
The amount of motivation of an individual was measured by a self report scale that has 32 items each scaled as shown below: 0........1........2........3.......4..........5.........6...........7 never hardly ever sometimes very often The following scores were obtained: Mishelle 192, Justin 128, Matthe