MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- Ideal Number of Children Frequency 0. 11 27 528 262 4 63 10 9. 8. 6. 0. 10 1 11 /23 456arrow_forwardChildhood obesity: A national health survey weighed a sample of 535 boys aged 6 - 11 and found that 83 of them were overweight. They weighed a sample of 474 girls aged 6 - 11 and found that 70 of them were overweight. Can you conclude that the proportion of boys who are overweight is greater than the proportion of girls who are overweight? Let p1 denote the proportion of boys who are overweight and let p2 denote the proportion of girls who are overweight. Use the =α0.05 level of significance and the critical value method with the table. (a) State the appropriate null and alternate hypotheses. (b) Compute the value of the test statistic. (c) State a conclusion at the =α0.05 level of significance.arrow_forwardAn instructor was interested in how framing impacted her students' feelings about her grades. She randomly assiagned students to either receive positive ("This is an improvement") or negative ("You will still need to do a lot of work on this") feedback on an assignment. She further assigned students to a points lost (-10 points) or points gained (+90 condition) condition. After teach assignment was returned, she asked students to rate the fairness of their grades on a 10-point scale (0 = not fair at all, 10 = extremely fair). Points Lost Points Gained Mean Positive Feedback 7.8 7.9 7.85 Negative Feedback 4.3 5.5 4.9 Mean 6.05 6.7…arrow_forward
- Can someone help me solve this please?arrow_forwardAfter the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 100 adults, 80 said they liked the movie, whereas out of 50 teenagers, 34 said they liked the movie. Fill in the blanks of the statement below to make the statement the most reasonable possible. At the movie premiere, ?adult teenage moviegoers liked the movie less because % disliked the movie, whereas only %of the ?adult teenage moviegoers disliked the movie.arrow_forward
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