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- Consider that the results of a research study conclude that the “effect of social media use on anxiety depends on gender.” Which statement below is correct based on this conclusion? a. The research study uncovered a main effect of social media use, but no main effect of gender or interaction between gender and social media use. b. The research study uncovered a main effect of gender and interaction of gender and social media use, but not main effect of social media use. c. The research study uncovered an interaction between social media use and gender, but no main effects. d. The research study uncovered no main effects of gender or social media use, as well as no interaction between gender and social media use.Statistics are widely used in Major League Baseball. Are the number of runs batted in (RBI) correlated to a hitter's batting average (AVG)? The following is a chart of 25 baseball players' statistics from 2016. Let the explanatory variable x = RBI and the response variable y = AVG. Player RBI HR AVG Salary (in millions) Justin Turner 90 27 0.277 5.100 Chris Iannetta 24 7 0.210 4.550 Coco Crisp 55 13 0.231 11.000 Adam Jones 83 29 0.265 16.000 Adrian Gonzalez 90 18 0.285 21.857 Jason Heyward 49 7 0.230 21.667 Jayson Werth 70 21 0.244 21.571 Evan Gattis 72 32 0.251 3.300 Jorge Soler 31 12 0.238 3.667 Brian McCann 58 20 0.242 17.000 David Ortiz 127 38 0.315 16.000 Chris Davis 84 38 0.221 21.119 Matt Wieters 66 17 0.243 15.800 J.D. Martinez 68 22 0.307 6.750 Leonys Martin 47 15 0.245 4.150 Hunter Pence 57 13 0.289 18.500 Aaron Hill 38 10 0.262 12.000 Jean Segura 64 20 0.320 2.600 Shin-Soo Choo 17 7 0.242 20.000 Mike Trout 100 29 0.315 16.083…A statistical study found a correlation between the percent of family income spent on food and the percent of family income spent on leisure activities. This is an example of O a) a cause-and-effect relationship O b) a common-cause factor a presumed cause-and-effect relationship a reverse cause-and-effect relationship Oc) O d)
- ruggling is normal and part of the process of learning. Describe an instance, so far in this course, where you struggled with a problem or concept, and initially had the wrong idea, but then later realized your error. In this instance, in what ways was a struggle or mistake valuable to your eventual understanding? You might also discuss whether struggling built aspects of character in you (e.g., endurance, self-confidence, competence to solve new problems) and how these virtues might benefit you in later ventures. Explain in a few sentences.Tardigrades, or water bears, are a type of micro-animal famous for their resilience. In examining the effects of radiation on organisms, an expert claimed that the amount of gamma radiation needed to sterilize a colony of tardigrades no longer has a mean of 1150 Gy (grays). (For comparison, humans cannot withstand more than 10 Gy.) A random sample of 25 tardigrade colonies found that the amount of gamma radiation needed to sterilize a colony had a sample mean of 1133 Gy, with a sample standard deviation of 02 Gy. Assume that the population of amounts of gamma radiation needed to sterilize a colony of tardigrades is appraximately normally distributed. Complete the parts below to perform a hypothesis test to see if there is enough evidence, at the 0.05 level af significance, to support that H, the mean amount of gamma radiation needed to sterilize a colony of tardigrades, is not equal to 1150 Cy. (a) State the null hypothesis H, and the alternative hypothesis H, that you would use for…Hint(s) Check My Work In the digital age of marketing, special care must be taken to ensure that programmatic ads appear on websites aligned with a company's strategy, culture, and ethics. For example, in 2017, Nordstrom, Amazon, and Whole Foods each faced boycotts from social media users when automated ads for these companies showed up on the Breitbart website (ChiefMarketer.com website). It is important for marketing professionals to understand a company's values and culture. The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals specializing in marketing (higher scores indicate higher ethical values). Marketing Managers Marketing Research Advertising 4 5 9 3 5 10 2 4 9 3 4 8 4 5 2 4 9 a. Use a = 0.05 to test for a significant difference in perception among the three groups. Compute the values identified below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment
- The line graph below shows the GDP of two countries over a 60-year period. (Model graph of GDP per Capita is attached). What is the response variable illustrated and what is the explanatory variable illustrated?Analysing passenger car sales by brands in Australia Tupps Motors which was established in year 2000, sells 5 brands of new passenger vehicles Holden, Toyota, Ford, Mitsubishi and Nissan which were the market leaders in 2000. As years passed the General Manager of Tupps Motors, Brian Tupps, noticed that brands such as Holden, Ford and Nissan are not selling as much as they used to. In 2018, Brian Tupps discusses his observation with his recent Business graduate son, Ben Tupps, and they both decided to collect Australia-wide sales data of the top 10 brands of passenger vehicles in 2018 to see how the market share of the different brands have changed. Again, in 2023, Brian wanted Ben to analyse the Australia-wide post-pandemic sales data for 2022 and provide him with up-to-date advice on the market share of the 10 brands of passenger vehicles. Data on the number of passenger vehicles sales for the top 10 brands of passenger vehicles in 2018 and 2022 are provided in file 1Sales.xlsx.…A study of the effect of television commercials on 12-year-old children measured their attention span, in seconds. The commercials were for clothes, food, and toys. Clothes Food Toys 34 38 64 30 34 50 44 51 39 35 42 48 28 47 63 31 42 53 17 34 48 31 43 58 20 57 47 47 51 44 51 54 A study of the effect of television commercials on 12-year-old children measured their attention span, in seconds. The commercials were for clothes, food, and toys. Ho: Average attention spans for Clothes, Food and Toys adverts are the same H1: Average attention spans for Food, Clothes and Toys are different (a) Complete the ANOVA table. Use 0.05 significance level.
- Statistics are widely used in Major League Baseball. Does a baseball player's batting average (AVG) determine their salary? The following is a chart of 25 baseball players' statistics from 2016. Let the explanatory variable x = AVG and the response variable y= Salary. Player RBI HR AVG Salary (in millions) Buster Posey 80 14 0.288 20.802 Mark Teixeira 44 15 0.204 23.125 Aaron Hill 38 10 0.262 12.000 Hunter Pence 57 13 0.289 18.500 Coco Crisp 55 13 0.231 11.000 Jacoby Ellsbury 56 9 0.263 21.143 Chris Davis 84 38 0.221 21.119 Jean Segura 64 20 0.320 2.600 Troy Tulowitzki 79 24 0.256 20.000 Justin Smoak 34 14 0.217 3.900 Leonys Martin 47 15 0.245 4.150 Hanley Ramirez 111 30 0.286 22.750 Adrian Beltre 104 32 0.300 18.000 Adrian Gonzalez 90 18 0.285 21.857 Adam Jones 83 29 0.265 16.000 Joe Mauer 49 11 0.261 23.000 Chris Iannetta 24 7 0.210 4.550 Curtis Granderson 59 30 0.237 16.000 Jason Heyward 49 7 0.230 21.667 Prince Fielder 44 8 0.212 18.000…Need help please!A tenet of the scientific method is that -------------------------------allow researchers to examine mental processes and behavior in an empirical, scientific manner.