Help with 8 8. Assume that during a three-hour perlod spent outside, a person recorded thetemperature and their water consumption. The experiment was conducted on 7randomly selected days during the summer. The data is shown in the tablebelow.Temp-eratureDayWaterConsumption(oz)(F)994810085279597484.7516909232858525808320757016 20 24 28 32 36 40 44 48 52 56Water Consumption (Oz)Create a scatter plot with the data. What is the correlation of this scatterplot? (Hint: Do not use the day on the scatter plot.)Temperature (F)12367

Name: Help with 8 8. Assume that during a three-hour perlod spent outside, a
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Description: Help with 8 8. Assume that during a three-hour perlod spent outside, a person recorded thetemperature and their water consumption. The experiment was conducted on 7randomly selected days during the summer. The data is shown in the tablebelow.Temp-era

Given observations Day Temperature(F) Water Consumption (oz) 1 99 48 2 85 27 3 97 48 4…

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8. Assume that during a three-hour period spent outside, a person recorded the temperature and their water consumption. The experiment was conducted on 7 randomly selected days during the summer. The data is shown in the table below. Day Temp- Water erature Consumption (oz) (F) 99 48 100 85 27 95 97 48 4. 75 16 90 92 32 85 85 25 80 83 20 75 70 0 16 20 24 28 32 36 40 44 48 52 56 Water Consumption (Oz) Create a scatter plot with the data. What is the correlation of this scatter plot? (Hint: Do not use the day on the scatter plot.) Temperature (F)

8. Assume that during a three-hour period spent outside, a person recorded the temperature and their water consumption. The experiment was conducted on 7 randomly selected days during the summer. The data is shown in the table below. Day Temp- Water erature Consumption (oz) (F) 99 48 100 85 27 95 97 48 4. 75 16 90 92 32 85 85 25 80 83 20 75 70 0 16 20 24 28 32 36 40 44 48 52 56 Water Consumption (Oz) Create a scatter plot with the data. What is the correlation of this scatter plot? (Hint: Do not use the day on the scatter plot.) Temperature (F)

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter29: Tolerance, Clearance, And Interference

Section: Chapter Questions

Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...

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Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector measures 10 spacers and records the following thicknesses: 0.372" 0.376" 0.379" 0.375" 0.370" 0.373" 0.377" 0.378" 0.371" 0.380" Which spacers are defective (above the maximum limit or below the minimum limit)? All dimensions are in inches.
for a sample of 9 automobiles, the mileage (in 1000s of miles) at which the original front brake pads were worn to 10% of their original thickness was measured, as was the mileage at which the original rear brake pads were worn to 10% of their original thickness. The results were as follows: Car Rear Front 1 41.2 32.2 2 36.3 27.2 3 45.8 34.7 4 46.6 37.3 5 39.6 30.7 6 52.3 40.5 7 51.7 41.0 8 46.3 33.8 9 47.4 36.8 a)Construct a 99.8% confidence interval for the difference in mean lifetime between the front and rear brake pads. Let d represent the mileage of the rear pads minus the mileage of the front ones. Round the answers to at least two decimal places. b)Because the confidence interval (contains/does not contain) values above 10 (in 1000s of miles), it (contradicts/does not contradict) the claim that the mean lifetime for rear brake pads is more than 10,000 miles more than the mean lifetime for front brake pads.
In an experiment to determine whether there is asystematic difference between the weightsobtained with two different scales, 10 rockspecimens were weighed, in grams, on eachscale. The following data were obtained: Specimen weight scale 1 weight scale 2 1 11.23 11.27 2 14.36 14.41 3 8.33 8.35 4 10.50 10.52 5 23.42 23.41 6 9.15 9.17 7 13.47 13.52 8 6.47 6.46 9 12.40 12.45 10 19.38 19.35 Can you conclude that the mean weight differsbetween the scales? Use a 1% level ofsignificance. Assume that the weights arenormally…
An entomologist believes that the median body length of lady beetles is 15.0 millimeters. A random sample of 16 lady beetles were measured and recorded as in the table below. 14.5 15.2 15.2 15.4 15.4 15.0 14.9 14.6 15.0 15.1 15.1 14.8 15.6 15.1 15.4 15.5 At α = 0.05, test the claim that the lady beetles’ body length is different from theestimated length.
Data collected by a price reporting agency from more than 90,000 gasoline and convenience stores throughout the U.S. showed that the average price for a liter of unleaded gasoline was $0.87. The following data show the price per liter ($) for a sample of 20 gasoline and convenience stores located in San Francisco. 0.97 0.97 1.25 0.92 0.92 1.00 0.94 0.97 1.01 0.96 0.96 0.97 0.92 1.03 1.12 0.95 0.98 0.97 0.97 0.96 (a) Use the sample data to estimate the mean price in dollars for a liter of unleaded gasoline in San Francisco. (Round your answer to three decimal places.) $ (b) Compute the sample standard deviation in dollars. (Round your answer to three decimal places.) $ (c) Compare the mean price per liter for the sample data to the national average price. What conclusions can you draw about the cost of living in San Francisco? The average price for a liter of unleaded gasoline in San Francisco is the national average. This indicates that the cost of living in San…
Data collected by a price reporting agency from more than 90,000 gasoline and convenience stores throughout the U.S. showed that the average price for a liter of unleaded gasoline was $0.87. The following data show the price per liter ($) for a sample of 20 gasoline and convenience stores located in San Francisco. 0.97 0.97 1.29 0.92 0.96 0.96 0.98 0.93 1.01 0.96 0.96 0.97 0.96 1.03 1.12 0.95 0.94 1.01 0.93 0.92 (a) Use the sample data to estimate the mean price in dollars for a liter of unleaded gasoline in San Francisco. (Round your answer to three decimal places.) (b) Compute the sample standard deviation in dollars. (Round your answer to three decimal places.) (c) Compare the mean price per liter for the sample data to the national average price. What conclusions can you draw about the cost of living in San Francisco? The average price for a liter of unleaded gasoline in San Francisco is lower than/higher than/same as the national average. This indicates…
Periodically, the county Water Department tests the drinking water of homeowners for contminants such as lead and copper. The lead and copper levels in water specimens collected in 1998 for a sample of 10 residents of a subdevelopement of the county are shown below. lead (?μg/L) copper (mg/L) 3.33.3 0.6280.628 3.33.3 0.2930.293 0.30.3 0.7830.783 4.74.7 0.1950.195 55 0.3780.378 1.41.4 0.2330.233 0.90.9 0.1010.101 0.90.9 0.6980.698 3.63.6 0.80.8 1.21.2 0.7610.761 (a) Construct a 99% confidence interval for the mean lead level in water specimans of the subdevelopment. _____≤μ≤_____ (b) Construct a 99% confidence interval for the mean copper level in water specimans of the subdevelopment. ______≤μ≤______