When investigating times required for drive-through service, the following results (in seconds) were obtained. Restaurant A 120 123 153 128 124 118 154 110 Restaurant B 115 126 147 156 118 110 145 137 Find the range and standard deviation for each of the two samples, then compare the two sets of results. Round to the nearest tenth.

Q: Calculate the sample standard deviation of the data shown. Round to two decimal places. X 23 29 11…

A: Given data is x={23,29,11,13,28,22,27,25}sample size(n)=8

Q: As a mechanical engineer working for an automobile manufacturer, you conduct a survey and collect…

A: The given values are shown Table 1. The formula to find mean for any sample is, x¯=∑(xf)n (1) Here,…

Q: You are told that the mean for an exam was 73.29 with a standard deviation of 8.89.  Convert the…

A: Given that μ=73.29,σ=8.89 The z-score corresponding to 70.01 is, The z-score corresponding to 78.22…

Q: For the following data set, approximate the sample standard deviation to the nearest hundreth using…

A: Mid -point =lower limit + upper limit2Mid point of first class =50+522=51Similarly for other…

Q: Calculate the sample standard deviation of the data shown. Round to two decimal places. 21 15 25 17…

A: Given data set: 21, 15, 25, 17, 24, 30 Number of observations = 6

Q: Professor Pete's calculus class has the following scores: 19 21 31 32 37 45 52 55 62 63 63 65 65 77…

A:

Q: Given the following dataset which represents a sample ( n = 8) from a larger population: 188 122…

A: Given the following dataset which represents a sample ( n = 8) from a larger population: 188 122 147…

Q: Calculate the standard deviation of the data shown, to two decimal places 16.1 18.5 19.3 14.4 3.9…

A:

Q: This question refer to the following data from random sampling: Sentence Year. 13 10 8 6 4 7 14 7…

A:

Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…

A:

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

A:

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 Sample B: 183 10 112 7 28. What…

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: For the following data set, approximate the sample standard deviation to the nearest hundreth using…

A:

Q: The following data are the final exam scores of the 15 students in a small calculus class. 93 83 72…

A: Solution  Given data repersent the score in a small calculus class.

Q: For the following sample of scores: 12 9. 17 2 7 The standard deviation is: Select one: 9.4 4.93 O 9…

A:

Q: On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers…

A:

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 8|7 9 Sample B: 183 10|1|12 7 26.…

A:

Q: Find the mean, variance and standard deviation of the following data: X 19 20 21 22 23 P(X) 0.2 0.2…

A: The table shows the X values and its probabilities values.

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

A:

Q: For a given sample data set composed of 26 observations and E(x-x) 225, then the standard deviation…

A:

Q: Consider the following sample:     15   24   25   29   31   36   73   85   94    96   100   the mean…

A:

Q: For the data from a sample shown below, answer the questions. Round to 2 decimal places. x 29.4…

A: Given data, 29.4,5.4,18,4.4,19.3,13.2,18.4,29.3,17.1,1   Sort the given data in ascending order.…

Q: this assignment, round all answers (when necessary) to exactly three decimal places. The numbers of…

A: From the given data we find the standard deviation.

Q: The highway mileage (mpg) for a sample of 10 different models of a car company can be foun below. 29…

A: Given range is 25. standard deviation using range rule of thumb is ?

Q: Use a calculator to find the standard deviation of this sample data: 128 133 119 158 143 134 101 104…

A: Given: sample data   128 133 119 158 143 134 101 104 182 130

Q: For each of the following three data sets, calculate the variance and standard deviation of the…

A: Given Let  female heights (X) test scores (Y) college credit (Z) 50.0 282 96 51.5 297 103…

Q: The following table presents the scores of students in Statistics examination Scores Frequency 30-39…

A: Obtain the value of the standard deviation of the scores. The value of the standard deviation of the…

Q: The following data pertaining to factory A and B are given. What is the combined monthly wage and…

A:

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: What is the value of k?   What is the standard deviation?

A: Here use basic of discrete probability distribution

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: Suppose a professor gives an exam to a class of 40 students and the scores are as follows. (Type the…

A: From the given information, Sample data: 35 44 46 47 47 48 49 51 53 54 55…

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: The following data are the distances between a sample of 20 retail stores and a large distribution…

A: The size of the observation is n = 20.

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 series of sodium chloride samples are analyzed and the following results were recorded: Sample…

A: In Statistics, deviation is a measure of difference between the observed value of a variable and…

Q: A series of sodium chloride samples are analyzed and the following results were recorded: Sample…

A: The provided data set is:

Q: Consider the following sample:     29   30   31   66   83   84   89   92   96   the mean and sample…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers…

A: According to the provided information,  The sample values are: 32, 20, 25, 52, 16, 21, 28, 35, 23,…

Q: Calculate the standard deviation of the data shown, to two decimal places 14 10.2 15.8 20.6 6.9 5.9

A:

Q: The deviation of the largest observation in the sample from the sample mean is,

A: Here given  A random sample of patients visiting a hospital emergency room was obtained and the…

Q: Use the following to answer questions 20 and 21:  In a large population of adults, the mean IQ is…

A: Given  In a large population of adults, the mean IQ is 112 with a standard deviation of 20.  Suppose…

Q: As the new manager of a small convenience store, you want to understand the shopping patterns of…

A: Let X represents the purchase amount. x 39.05 2.73 32.92 47.51 37.91 34.35 64.48…

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

A:

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

A:

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

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.