Assume the average price of a laptop computer is $750 with a standard deviation of $75. The following data represent the prices of a sample of laptops at an electronics store. Calculate the z-score for each of the following prices  a) The z-score of $639 is ____ b) The z-score of $881 is ____ c) The z-score of $584 is ____

Q: Consider the data of a businessman that accumulates the daily sales of his restaurant business…

A: The data of the daily sales of restaurant for the 10 day is given as: 18,500  23,600  21,210…

Q: Use the following data to answer A&B.  The test scores for a sample of five randomly chosen…

A:

Q: The Department of Trade and Industry surveyed the price of unleaded gasoline at gas stations in…

A: (a)   Obtain the mean price of Tagum city.   Use EXCEL Procedure for finding the value of sample…

Q: The following data show the monthly rental price (in $) for a random sample of one-bedroom…

A: As per Bartleby guidelines I can't answer more than three sub parts per post. Please post other sub…

Q: The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes and…

A: Solution: The observation in increasng order is  24, 25, 27, 28, 29, 32, 33, 35, 35, 38, 40, 42 n=…

Q: Compute Quartile Deviation of the following data: Wages 100 140 180 200 240 300 320 Workers 10 16 14…

A: Given data is Wages 100 140 180 200 240 300 320 Workers  5 7 10 16 14 8 4

Q: If the average grade on an exam was 75% and the standard deviation was 4%, what would the three uper…

A: Empirical rule has  Upper limit  Mu +K. sigma

Q: Consider the following set of test scores for James and Rob in Chemistry. James 62 80 83 72 73 Rob…

A:

Q: Match the histograms on the right to the summary statistics given. 20- Standard Deviation Мean…

A: For the given histogram the right to the summary statistics given

Q: Consider the following sample:     10   12   14   20   31   35   40   40   55    55    57    63…

A: Solution: From the given information, the mean is 47.1250 and standard deviation is 26.1938.

Q: The following data are the percentages of alcohol in five randomly selected brands of beer. Find the…

A: Given: Sample size n = 5 Formula Used: Population standard deviation  σ = ∑i=1n(Xi-X)2n Where X is a…

Q: Consider the following sample:     25   47   62   93   100   the mean and sample standard deviation…

A:

Q: Consider the following sample:     10   35   41   50   59   69   73   76   91   the mean and sample…

A:

Q: 2. Melvin surveyed the price of unleaded gasoline at gas stations in Davao city and Tagum City. The…

A: The following data has been provided: a.) Davao city  45.90,48.75,48.90,49.01,45.00,47.90

Q: Given a set of data that is skewed-right, there is at least % of the data within 3 standard…

A: Given

Q: Suppose that the scores on a statewide standardized test have a bell shape distribution with a mean…

A: Given that Mean = 79,s.d=6 (b) P(X>97 )=? (c) P(X<73) =? (d)P(61<x<85) =?

Q: Coefficient of skewness b. Mean c. Median d. Standard deviation

A: Provided data is: 132, 144, 127, 152, 101 and 165. Arranging data in ascending order; 101, 127, 132,…

Q: The following data were collected as part of a study of coffee consumption among graduate students.…

A:

Q: Suppose that the mean cranial capacity for men is 1070 cc (cubic centimeters) and that the standard…

A: We need to complete the given statements assuming that men's cranial capacities are normally…

Q: Calculate Standard deviation of the following data. No. of Employees : 10-19 20-29 50-59 3. 30-39…

A: Create a table with column labels Class interval, frequency (f), midpoint (x), fx, and fx2.…

Q: Exl: Consider the following sets of dala 31.60 31.76 31.62 31.60 31.71 31.47 31.71 31.53 31.64 جرام…

A: We know that, Mean = (summation Xi)/n Here sample size, n= 9 Mean…

Q: What is the standard deviation of the following set of scores: 1, 1, 1, 1, 1 (A) -1 B0 D

A: Given scores is x=1,1,1,1,1sample size(n)=5

Q: The following data was collected during the Framingham Heart Study. Is there a statistically…

A: Let men and women are the sample1 and sample 2 respectively.

Q: The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes and…

A: Step-by-step procedure to obtain the mean and standard deviation using Excel. In Excel sheet, enter…

Q: Use the information below to answer Questions #24 - 29. A personnel director in a particular state…

A: GivenCounty An1=17x1=40600s1=8800County Bn2=8x2=39800s2=5100α=0.05

Q: For data with a bell shaped about of the data lie within three standard deviation of the mean 68%…

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Q: A set of data is collected as follows: 55 34 67 83 21 98 63 72, the sample standard deviation of…

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Q: Following are the 2009 earnings (in thousands of dollars) before taxes for all six employer of a…

A:

Q: Consider the following data sets: Which of the two data sets has larger standard deviation? I II…

A: Option a) is correct. Data set I has higher standard deviation.

Q: Given the frequency table below of the students result in 25 point quiz. Compute its standard…

A: Given: X Frequency 6 2 9 4 12 14 15 9 18 6 21 3 24 2

Q: Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district: 114 100 104 89…

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Q: The following are total cholesterol scores measured in 10 patients who are participating in a study…

A: The provided information is:Sample size (n)=10Consider X is a random variable defined as cholesterol…

Q: Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district: 114 100 104 89…

A: Stem and leaf plot:   The stem-and-leaf plot is a graphical representative of the quantitative data…

Q: The following is a sample of sanitation scores for 20 cruise ships. 87 93 83 84 95 83 89 86 94 91 87…

A: Given data: 82, 83, 83, 83, 84, 85, 86, 86, 87, 87, 89, 91, 91, 93, 94, 94, 94, 95, 95, 97

Q: 3. A student obtained the following scores in twelve 100-item assignments: 93 91 90 86 86 94 97 90…

A: Given a student obtained the following scores in twelve 100-item assignments.  The data is…

Q: A bakery owner tabulated sales to 50 customers and obtained the distribution. Find the mean and…

A: The table is given as: Class Continuous class Class markxi Frequencyfi fixi fixi2 0.00-1.99…

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 9 on a…

A: A normal distribution has a bell shaped which is centred at mean. The standard normal distribution…

Q: Consider the following sample: 25   31   34   35   36   38   53   53   56    57    60    63    67…

A:

Q: A marketing study of 800 adults in the 18-34 age group reported the following information. Spent…

A: Calculate Mean, Sample Standard deviation (S) from the following grouped data Class Frequency 0…

Q: Suppose that the mean cranial capacity for men is 1170 cc (cubic centimeters) and that the standard…

A: (a) Given that, the value of mean is μ=1170 and standard deviation is σ=300 cc. Use the Empirical…

Q: When investigating times required for drive-through service, the following results (in seconds) were…

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Q: Which of the following answers best describes ways of interpreting and understanding the values of…

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Q: the same aggregate marks and were bracketed equal. Use the fołlow- ing data to determine whether or…

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Q: The following data set shows the frequencies of the grouped scores for the 2008 Masters Golf…

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Q: Consider the following two data sets. Data Set I: 4, 8, 15, 9, 11 Data Set II: 8, 16, 30, 18, 22.…

A:

Q: Consider the data of a businessman that accumulates the daily sales of his restaurant business…

A: Given : 18,500     23,600      21,210      14,515      20,500 21,700     14,250     18,345…

Q: Use a calculator to find the standard deviation of this sample data: 122 141 140 118 155 174 198 133…

A: According to the given information, we have Data set: 122,141,140,118,155,174,198,133,168,195

Q: Suppose that the mean cranial capacity for men is 1020 cc (cubic centimeters) and that the standard…

A: GivenMean(μ)=1020standard deviation(σ)=300By Using  68–95–99.7 rule:-68% data falls with in one…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.