puooos e puS - N JO uea e sy adues auo zzsample has a mean of M 10. The two samples arecombined into a single set of scores.a. What is the mean for the combined set if both ofthe original samples have n 5 scores?b. What is the mean for the combined set if the firstsample has n -4 scores and the second samplehas n 6?C. What is the mean for the combined set if the firstsample has n 6 scores and the second sample1中=STy

Answered: Image /qna-images/answer/26d1ed6c-0e2b-444d-b319-322b99daa587.jpg

Answered: 22. One sample has a mean of M-5 and a…

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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1. Identify a1 of this data: 1, 2, 3, 4,4, 5 ,6, 6 ,7,8,9, 1o. A. 3 C. 4 B. 3.25 D. 4. 25 9. Vhat is the mean of this data? 3x10, 4x105 , 5x1of GXI05, 7x105. A. 3,5 X10 C 6.5 X105 B. 4x105 D. 7 X105 10. f x is the qverage of 2 & 3, y is the average of x *2, z is the qverage of x 95, find +the average of x,y & z. A. 9. 375 4. 6875 В. 3. 125 0. 3.75
24. A sports medicine major wanted to conduct an experiment to determine if there is a correlation between the members of the soccer team's leg strength and the time it takes for them to sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how mnany times each player can leg press 350 pounds. The following week, he has each player sprint 40 yards every day. The table shows the average number of leg-press repetitions and the average 40-yard dash time (in seconds) for seven randomly selected players. What is the equation of the line of best fir? How many seconds should he expect a player to take to run -0 yards if that player can do 22 leg-press repetitions Round any values to the nearest tenth, if necessary Leg Press (reps) 32 7 11 23 28 15 12 40-vard Dash (s) S.6 14.6 7.1 S.3 11 9 13 4 9.5 53°F a
A researcher wants to determine the mean level of mercury found in 3 species of salt water shellfish: clam, oyster and crab. She randomly samples 100 shellfish of each species. She measures the amount of mercury in each specimen. 1. What is the experimental unit? [Select] 2. What is the response variable? [Select] 3. What is the factor? [Select] 4. What are the factor levels? [Select] > > > >
4. There are 35 students in a class. Fifteen of them are men and 20 of them are women. The mean height of the men is 69.65 inches, and the mean height of all 35 students is 67.18 inches. What is the mean height of the women?
About 4% of the population has a particular genetic mutation. 300 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of 300. (Remember that means should be rounded to one more decimal place than the raw data.)
4) A set of 15 data points has mean 28.2. When one data point is disregarded, the mean of the remaining 14 data points is 27. What is the value of the disregarded data point?
5. Which set of four test scores would have the biggest difference between the mean and the median? O A. 32, 85, 89, 91, 92, 92 O B. 72, 78, 79, 80, 82, 82 O C. 65, 70, 75, 80, 85, 90 O D. 30, 34, 39, 41, 48, 50
17- How do you find Median for even number of observations under ungrouped method? a. Arrange the data in ascending order and multiply middle two numbers b. Arrange the data in ascending order and find the difference of middle two numbers c. Arrange the data in ascending order and add middle two numbers d. Arrange the data in ascending order and take the average of middle two numbers
16. The mean score of 15 male students taking an economics test is 74 and the mean score of 12 female students taking the same test is 77. The combined mean score of 27 male and female students is: a. 74.67 b. 77.33 c. 75.33 d. 75.67
12. The following dotplot shows the results from a previous class. The average word 1 is the Average Word length when students selected their own words and Average Word 2 is when the words were randomly selected. Variable 7 Average Word-2800 88..... Average Word-1- The population mean for word length is 4.3 letters. Comment on results from both graphs and the ability to predict the population mean from a sample. Your answer should be a college level paragraph that consists of a topic sentence, supporting sentences and a concluding sentence.

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