49of2.CO6087.Fill in the table below: FiLl in the differences of each data value from the mean, then the squaredlifferences.2.I'– 1)5.3.-59.147.6.-1258.1.49.3) Calculate the sample standard deviation (s).12a) ENG2/1dyinsprt scf12deletehome+ backspaceunulock

Given that X 5 2 14 6 8 Find sample standard deviation

Answered: 49 of 2. CO 60 8 7. Fill in the table…

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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We are going to calculate the standard deviation for the following set of sample data. 13,9,11,13,5 1) First, calculate the mean. 2) Fill in the table below. Fill in the differences of each data value from the mean, then the squared differences. 3) Calculate the standard deviation. (x – a)² 13 9 11 13 Total Standard deviation: - Round to two decimal places S = п — 1
Answer numbers 3 to 5 only
End O L ) 0 Alt PgUP 11 P PgDn Ins Del Packspace afte 2=(2>60) (2480) 5. A The ages of the thousands of residents of a retirement community are normally distributed with a mean of 70 and a standard deviation of 4 years. a. What proportion of this population is between 60 and 80? 2=60-70 -2.5 = 6.21 4 2-80-76 4 2= = 2.5=6.21 1.5 2= 68.5-45 - 5.87 니 71.5-45 4 b. If one sample of 45 residents is chosen at random, what is the probability that the sample mean age will be between 68.5 and 71.75? Stru ماما - 1-,99379 6. = 6.21% +6.21= -4 12,24% is between 60-80 years old 2.5 c. Between which two symmetric limits are 95% of all the possible values of the sample means? 4 FIST Standar 4. PCX a) x-
A recent study at a local college claimed that the proportion, p , of students who commute more than fifteen miles to school is no more than15% . If a random sample of 255 students at this college is selected, and it is found that 44 commute more than fifteen miles to school, can we reject the college's claim at the 0.05 level of significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (a) State the null hypothesis H0? and the alternative hypothesis H1? . H0:? H1:? (b) Determine the type of test statistic to use. ▼(Choose one) chi sqaure ? z? t ? f? (c) Find the value of the test statistic. ? (Round to three or more decimal places.) (d) Find the p-value. ? (Round to three or more decimal places.) (e) Can we reject the claim that the proportion of students who commute more than fifteen miles to…
I need help with parts b,c, and d please B is not 992
Ch 8 FRQ ( The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric, unimodal, and bell-shaped, with a mean of 184.8 mph and a standard deviation of 7.2 mph. In the space above, draw a Normal Curve, from z=-3 to z=+3. Draw vertical lines at the mean and each whole number standard deviation above and below the mean. Write two rows of numbers under the base line; one row with the number of standard deviations above and below the mean (z-scores), and a row under that with the actual values for this problem. ] What percent of drivers would you expect to have speeds below 199.2 mph ? Show all work. s] What is the area under the curve to the left of a speed of 170.4mph Show all work. What is the probability that a driver selected at random will have a speed below 172.0 mph ? Show all work. B] What percent of drivers would you expect to have a speed above 177.0 mph ? Show all work. How many drivers would you expect to have speeds between 170.4 mph and 177.0 mph…
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Please all of them
Mr 8. The results for an IQ quiz taken by 8 students from Ze Class A and Class B are shown below. The fal maximum score for the quiz is 25. we Class A: 4, 6, 6, 7, 8, 10, 11, 12 Class B: 0, 1, 1, 2, 3, 14, 17, 25 (i) Calculate the mean and standard deviation for Class A and Class B. Show your working clearly.

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49 of 2. CO 60 8 7. Fill in the table below: FiLl in the differences of each data value from the mean, then the squared lifferences. 2. I'– 1) 5. 3. -5 9. 14 7. 6. -1 25 8. 1. 49. 3) Calculate the sample standard deviation (s). 12 a) ENG 2/1 dy ins prt sc f12 delete home + backspace unu lock