2. Do athletes in different sports vary in terms of intelligence? Below are reported College Board scoresof random samples of College basketball and football players. Is there a significant difference? Write asentence or two about the result.Basketball878479868283848873Football9285868472738082837675

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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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Male and female respondents to a questionnaire about gender differences are categorized into three groups. Group 1 Men Women 40 6 Group 2 48 54 Group 3 80 34
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A recent study has shown that approximately 31.6% of Canadians are considered 'supertasters,' or people who experience the sense of taste with greater intensity than average. Consider a sample of 23 Canadians, each of whom are asked to indicate if they are a supertaster or not. Please use this information to answer the following questions.a. How many of the Canadians sampled can we expect to be supertasters?Answer:_______people. Round to at least FOUR digits after the decimal if necessary. b. What is the standard deviation of the number of people sampled who are supertasters?Answer:______people. Round to at least FOUR digits after the decimal if necessary.
If 2% of the components produced by a machine are defective. What is the variance of the number of defectives in a box of 300 components produced by this machine? O a. 6 O b. 5.88 O c. 36 O d. 2.45
A researcher is interested in investigating whether religious affiliation and the brand of sneakers that people wear are associated. The table below shows the results of a survey. Frequencies of Religions and Sneakers Nike Adidas Other Protestant 82 87 108 Catholic 63 58 98 Jewish 21 17 23 Other 76 87 82 What can be concluded at the a = 0.10 significance level?
Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 3 females and 3 males and measured their MRI counts and IQ scores. The data is reported on the right. Females Males MRI IQ MRI 10 866,664 132 965,355 132 790,620 135 1,001,121 141 856,473 141 1,079,550 135 O Treat the MRI count as the explanatory variable. Compute the linear correlation coefficient between MRI count and IQ for both the males and the females. Do you believe that MRI count and IQ are linearly related? The linear correlation coefficient for females is. The linear correlation coefficient for males is. (Round to three decimal places as needed.) Are MRI count and IQ linearly related? linear The linear correlation coefficient for females is close to ▼so relation exists between MRI count and IQ for females. The linear correlation coefficient for linear relation exists between MRI count and IQ males is close to for males. SO
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What is the mode, if any, for the dataset of 99;40;59;55;77;59;75;69;69;92;60;58;75;83?
A researcher is concerned about the level of knowledge possessed by university students regarding Philippine history. Students have completed a senior high school level standardized history exam. Major courses for students were also recorded. The percentage of correct answers is recorded below for 32 students.Determine if there will be difference in the scores of students taking up different courses. Education Business Ad Political Science Fine Arts 62 72 42 80 81 49 52 57 75 63 31 87 58 68 80 64 67 39 22 28 48 79 71 29 26 40 68 62 36 15 76 45
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If you have the following observations: 100, 50, k, 30, 150, then what is the possible value of the median? Select one: O a. 30 or 50 O b. 30 or k or 50 O c. k O d. none
How young is too young to have a cell phone? A group of eighth-grade boys and girls were surveyed and asked if they had a cell phone, with the following results. Cell Phone No Cell Phone Boys 54 46 Girls 57 43 (a) Draw a stacked bar chart to describe the data. I Cell Phone I No Cell Phone 1 Cell Phone I No Cell Phone 1 Cell Phone I No Cell Phone Frequency Frequency Frequency 100 100 100 80 80 80 60 60 60 40 40 40 20 20 20 Gender- Gender- Gender Boys Girls Вoys Girls Воys Girls Cell Phone No Cell Phone Frequency 100 80 60 40 20

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