A personal fitness company produces both a deluxe and a standard model of a smoothie blender for home use. Selling prices obtained from a sample of retail outlets are shown below.**Excel File:** data10-27.xlsx**Model Price ($)**| Retail Outlet | Deluxe | Standard | Retail Outlet | Deluxe | Standard ||---------------|--------|----------|---------------|--------|----------|| 1 | 39 | 27 | 5 | 40 | 30 || 2 | 39 | 28 | 6 | 39 | 34 || 3 | 45 | 35 | 7 | 35 | 29 || 4 | 38 | 30 | | | |Round your answers to 2 decimal places.a. The manufacturer's suggested retail prices for the two models show a $10 price differential. Use a 0.05 level of significance and test that the mean difference between the prices of the two models is $10.- **Select your answer:**b. What is the 95% confidence interval for the difference between the mean prices of the two models?- From ______ to ______

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 1CYU

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Use the scatterplot of Vehicle Registrations below to answer the questions. Vehicle Registrations in the United States, 1925- 2011 Vehicles millions 300 y = 3.0161x - 5819.5 R? = 0.9695 250 200 150 100 50 1920 1940 1960 1980 2000 2020 -50 Year What is the independent variable and what does it represent? year number of vehicle registrations y = 3.0161 x- 5819.5 R^2= 0.9695 not enough information to determine Registrations (in millions)
Rock Solid Gym offers several levels of membership status. All customers start at the bronze status. One day, the membership coordinator took a sample of members of the gym. She found that 17 of the 28 members she sampled had bronze status. The gym had 640 members on that day, and 370 of these members had bronze status. For the membership coordinator's sample, find and write with proper notation the population proportion and sample proportion of members who had bronze status. Write the proportions as decimals (not percentages) rounded to two decimal places. (a) Population proportion: (Choose one) ▼ (b) Sample proportion: (Choose one) V =||
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Rock Solid Gym offers several levels of membership status. All customers start at the bronze status. One day, the membership coordinator took a sample of members of the gym. She found that 16 of the 35 members she sampled had bronze status. The gym had 770 members on that day, and 390 of these members had bronze status. For the membership coordinator's sample, find and write with proper notation the sample proportion and population proportion of members who had bronze status. Write the proportions as decimals (not percentages) rounded to two decimal places. (a) Sample proportion: (Choose one) ▼ (b) Population proportion: (Choose one)
[A X Clever | Portal - C docs.google.com/document/d/1THvmWtcQhp7UfG8JhZLjVX8bxhHUeflifXBzUawyVxl/edit A. 200% B. Dashboard Copy of M10L1-3: Summative Quiz Review O File Edit View Insert Format Tools Extensions Help Accessibility Last edit was made 2 minutes ago by Jamara Angulo Leal (STUDE A P = - = - T 1 Normal text T X Arial 5 h(x) = +2 x ▾ M10 L1-3: Summative Quiz Revi x - 11 B IU A 3 Copy of M10L1-3: Summative Q x + CHICHTE 5. Which of the functions below is the inverse function of using composition of functions. 8(x) = x-2 5 EIE FROZENCES DE CONCE GO- f(x) = 8 + 19 EEE X WATER GEOPE 5 N O 5 x-2 ? Justify your answer 0 Feb 22 CA P VC 8 Share 9:47 7 + US
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Page of 11 ZOOM + 5. The table shows how the cost of a carne asada taco at my favorite taco stand has increased as they have become more popular since their opening in 2013. Use the data to answer the questions below. Year, x 2013, 0 2014, 1 2015, 2 2016, 3 2017, 4 2018, 5 2019,6 Cost ($) 0.50 0.55 0.65 0.75 0.90 1.00 1.10 (a) What is the regression line given by your TI-84 for this data? Round values to 3 decimal places. (b) Using the regression equation above, predict the cost of a carne asada taco at my favorite taco stand in 2020. Show the work.

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