An automobile club reported that the average price of regular gasoline in a certain state was $2.62 per gallon. Thefollowing data show the price per gallon of regular gasoline for 15 randomly selected stations in the state. Completeparts a through c below.2.662.632.662.712.522.732.742.742.612.552.732.582.582.562.71a. Construct a 99% confidence interval to estimate the average price per gallon of gasoline in the state.The 99% confidence interval to estimate the average price per gallon of gasoline in the state is from $(Round to the nearest cent.)to S

Data2.662.632.742.552.582.662.712.742.732.562.522.732.612.582.71

Answered: An automobile club reported that the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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How many outliers would be considered in this data? Something is wrong with my lower and upper formulas City Median Household Income Morgantown, WV $ 38,060 Fayetteville, AR $ 40,835 Wooster, OH $ 43,054 max $ 138,192.00 =MAX(B:B) Council Bluffs, IA $ 46,844 min $ 38,060.00 =MIN(B:B) Bossier City, LA $ 47,051 mean $ 72,342.94 =AVERAGE(B:B) St. Augustine, FL $ 47,748 median $ 66,743.00 =MEDIAN(B:B) Rapid City, SD $ 47,788 range $ 100,132.00 =E4-E5 Bozeman, MT $ 49,303 std deviation $ 23,711.80 =STDEV.S(B:B) Sparks, NV $ 54,230 first quartile $…
Cost-to-charge ratios (the percentage of the amount billed that represents the actual cost) for 11 Oregon hospitals of similar size were reported separately for inpatient and outpatient services. The data are shown in the following table. Cost-to-charge ratio Hospital Inpatient Outpatient Blue Mountain 79 61 Curry General 75 67 Good Shepherd 74 64 Grande Ronde 61 50 Harney District 101 53 Lake District 99 74 Pioneer 89 66 St. Anthony 65 57 St. Elizabeth 49 44 Tillamook 53 47 Wallowa Memorial 84 72 (a) Does there appear to be a strong linear relationship between the cost-to-charge ratio for inpatient and outpatient services? Justify your answer based on the value of the correlation coefficient and examination of a scatterplot of the data. (Round your answer to four decimal places.) Based on the correlation coefficient value of and the scatterplot, there is relationship between the cost-to-charge ratio for inpatient and outpatient services.…
An automobile club reported that the average price of regular gasoline in a certain state was $2.63 per gallon. The following data show the price per gallon of regular gasoline for 15 randomly selected stations in the state. Complete parts a through c below. 2.66 2.56 2.55 2.66 2.57 2.61 2.63 2.58 2.68 2.64 2.69 2.72 2.75 2.51 2.61 a. Construct a 95% confidence interval to estimate the average price per gallon of gasoline in the state. to $ The 95% confidence interval to estimate the average price per gallon of gasoline in the state is from $ (Round to the nearest cent.)
Find the indicated measure.The test scores of 21 students are listed below. Find Q3. 56 57 59 63 65 66 69 70 71 74 75 77 78 79 80 82 83 86 92 95 99 82.5 69.5 24 75
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
There were 53 competitors in a downhill skiing event. Their times (in seconds) are shown below. Complete parts a through d below. 98.06 98.14 98.17 98.32 98.37 98.47 98.82 98.85 99.16 99.24 99.27 99.29 99.42 99.43 99.68 99.93 100.13 100.15 100.55 100.71 100.71 100.73 100.77 100.95 100.98 101.85 101.97 102.03 102.65 102.65 103.02 103.08 103.21 103.35 103.66 104.22 104.31 104.68 104.85 105.05 105.09 105.11 105.29 105.68 105.82 105.98 108.08 111.15 112.15 113.94 115.28 115.38 115.55 a) The mean time was 103.08 seconds, with a standard deviation of 4.67 seconds. If the Normal model is appropriate, what percent of times will be less than 98.41 seconds? % (Round to the nearest integer as needed.)
Estimate the percentage of the U.S. population that reacts negatively to the Confederate flag.a. less than 10 percentb. between 10 – 25 percentc. between 25 – 50 percentd. more than 50 percent Estimate the percentage of your peers (i.e., individuals in your age generation) that believe same-sex marriage should be legal.a. less than 10 percentb. between 10 – 25 percentc. between 25 – 50 percentd. more than 50 percent
A sample of 21 cities were selected from around the continental United States. The prices of whole milk (in units of dollars per gallon) in these cities are seen below. 2.52 2.92 4.64 3.39 3.47 2.96 3.52 4.16 2.70 3.59 4.84 3.55 4.12 4.25 3.99 3.02 2.86 3.84 3.42 3.55 4.02 Calculate the mean milk cost in these cities. Round to the nearest cent. What is the median milk cost in these cities? Determine the first quartile Q1 for this set of data. Determine the third quartile Q3 for this set of data. Calculate the interquartile range (IQR) for these milk prices. Express your answer to the nearest cent. Do not include a dollar sign in your answer. Calculate the standard deviation for these milk prices.
In planing for his children to go back to school Susan buys several items at a discount. Five items at $1.29 each, three at $1.49 each, six at $1.79 each and nine at $0.99 each. What was the median cost of all items? $1.48 Oa. Ob. O b. $1.99 c. Oc. $1.33 O d. $1.39 $1.29 O e.

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