Stats Assignment 11

uppose Laura, a facilities manager at a health and wellness company, wants to estimate the difference in the average amount of time that men and women spend at the company's fitness centers each week. Laura randomly selects 13 adult male fitness center members from the membership database and then selects 13 adult female members from the database. Laura gathers data from the past month containing logged time at the fitness center for these members. She plans to use the data to estimate the difference in the time men and women spend per week at the fitness center. The sample statistics are summarized in the table. Population Populationdescription Population mean(unknown) Samplesize Sample mean(min) Sample standarddeviation (min) 1 male ?1 ?1=13 ?⎯⎯⎯1=132.5 ?1=45.3 2 female ?2 ?2=13 ?⎯⎯⎯2=108.7 ?2=31.1   df=21.256 The population standard deviations are unknown and unlikely to be equal, based on the sample data. Laura plans to use the two-sample ?-procedures to estimate the…

Can you guys help me on this? Thank you!

Bicycling, the world's leading cycling magazine, reviews hundreds of bicycles throughout the year. Their "Road-Race" category contains reviews of bikes used by riders primarily interested in racing. One of the most important factors in selecting a bike for racing is the weight of the bike. The following data show the weight (pounds) and price ($) for 10 racing bikes reviewed by the magazine (Bicycling website). DATA file Brand FELT F5 PINARELLO Paris ORBEA Orca GDR EDDY MERCKX EMX-7 BH RC1 Ultegra BH Ultralight 386 CERVELO S5 Team GIANT TCR Advanced 2 WILIER TRIESTINA Gran Turismo (to 3 decimals) Weight Price ($) 17.8 16.1 14.9 15.9 Did the estimated regression equation provide a good fit? The estimated regression equation provided a - Select your answer - fit. c. Predict the price for a bike that weighs 15 pounds. (to whole number) 2100 6250 8370 6200 17.2 13.1 16.2 17.1 17.6 SPECIALIZED S-Works Amira SL4 14.1 8000 a. Use the data to develop an estimated regression equation that could…

Please help with (d)

Widget Sales Jesaki Inc. is trying to enter the widget market. The research department established the following price-demand, cost, and revenue functions: p(x) = 60 - 1.20x C(x) = 210 + 12x Cost function |R(x) = xp(x) = x(60 - 1.20x) Revenue function Price-demand function where a is in thousands of widgets and C(x) and R(x) are in thousands of dollars. The price p(x) is the price in dollars of one widget when the demand is a thousand widgets. All three functions have domain 1 ≤ x ≤ 50.

Mario collected data from his classmates on their favorite subject among math, science, english and history. The data is displayed in the table. Is it likely that a student likes math more if they are in 9th grade or 12th grade? Justify your answer.

A class uses weighted averages to calculate your course grade.  Homework, quizzes, and discussions are each worth 25% of your grade.  A final exam is worth 15% and participation is worth 10%. A student has a score of 85 on homework, 70 on quizzes,  75 on discussions, 100 on participation, and wants to earn a B in the class (minimum of 80 on the course grade).  If the student earns 72 on the final, will they earn a B?   Yes/no What is the minimum score the student must earn on the final to earn a B?  A=72 B=80 C=84 D= 88

Martha is in a statistics course in which each exam has a total of 100 points possible.  Martha currently has an average score of 88 on her statistics exams.  If she earns a score of 95 on her final exam, Martha's average

Please help

A retailer wants to see if a red "Sale" sign brings in the same amount of revenue than the same "Sale" sign in blue. The data below shows the revenue in thousands of dollars that was achieved for various days when the retailer decided to put the red "Sale" sign up and days when the retailer decided to put the blue "Sale" sign up. Red:  2.4,     3,     3.6,     1.8,     3,     2.7,     2.9,     3,     3.1 Blue:  1.7,     2.1,     1.4,     2.6,     0.6,     3,     3.5,     1.6,     0.3 Assume that both populations follow a normal distribution.  What can be concluded at  the αα = 0.05 level of significance level of significance?   The test statistic ? t =  _______________  (please show your answer to 3 decimal places.)   The p-value = __________________  (Please show your answer to 4 decimal places.)

Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this data, how many of the next 78 gumballs dispensed should you expect to be white gumballs?

the data file is just a blank excel sheet, you do not need to see it to access information.

Please give solution in correct and step by step detailed format thanku Don't give solution in image format

Give a summary of what accredo pharmacy does and what they do. Describe each department accredo pharmacy has and what they each do and how those departsments work or relates to statistics? Describe cigna accredo pharmacy in 2015 to2024 and how those numbers can play with statistics in todays society? Make a chart to show the statistic in different years? Summerize everything that was given

I tried to find the solution but I could not. Can anybody help me find it please?

A retailer wants to see if a red "Sale" sign brings in less revenue than the same "Sale" sign in blue. The data below shows the revenue in thousands of dollars that was achieved for various days when the retailer decided to put the red "Sale" sign up and days when the retailer decided to put the blue "Sale" sign up. Red: 2.1, 3.6, 3.5, 2.5, 2, 3, 2.6, 2.6, 2, 3, 2.7 Blue: 2.6, 4.5, 4.1, 5, 4.6, 2.8, 3.9, 4.8 Assume that both populations follow a normal distribution. What can be concluded at the a = 0.10 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Но Select an answer V (please enter a decimal) Ho: Select an answer V Select an answer V H (Please enter a decimal) Select an answer Y Select an aNSwer V Select an answer b. The test statistic ?v = (please show your answer to 3 decimal places.) с. The p-valuе (Please show your answer to 4 decimal places.) d. The p-value is ?V a e. Based on this, we…

A retailer wants to see if a red "Sale" sign brings in more revenue than the same "Sale" sign in blue. The data below shows the revenue in thousands of dollars that was achieved for various days when the retailer decided to put the red "Sale" sign up and days when the retailer decided to put the blue "Sale" sign up. Red: 2.7, 2.6, 1.1, 4.2, 2.6, 3.4, 2.3, 2.9, 4, 2.6 Blue: 2.2, 1, 2.8, 1.6, 0.6, 0.9, 1, 1.7, 3.4 Assume that both populations follow a normal distribution. What can be concluded at the a = 0.01 level of significance level of significance? b. The test statistic t î = (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.)

Widget Sales Jesaki Inc. is trying to enter the widget market. The research department established the following price-demand, cost, and revenue functions: p(x) = 60 - 1.20x C(x) = 210 + 12x Cost function |R(x) = xp(x) = x(60 - 1.20x) Revenue function Price-demand function where a is in thousands of widgets and C(x) and R(x) are in thousands of dollars. The price p(x) is the price in dollars of one widget when the demand is a thousand widgets. All three functions have domain 1 ≤ x ≤ 50.