Heights of 130 singers in the NY Choral Society in 1979 were self-reported tothe nearest inch. The four voice parts in order from highest pitch to lowest pitchare Soprano, Alto, Tenor, Bass. The first two are female voices and the last twoare male voices. We would like to test if different parts have significantlydifferent heights.The standard deviations are: s1=2.8 s2=2.4 S3=1.9 s4-3.2Using the equal variance assumption, can we say the standard deviations areclose enough to use ANOVA? (select all that apply)O The assumption is not violatedO We can use ANOVAO The assumption is violatedO We should NOT use ANOVÁ

The objective is to choose applicable option to use assumption of equal variances about SD is close…

Answered: Heights of 130 singers in the NY Choral…

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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In the 1992 presidential election, Alaska's 40 election districts averaged 1980 votes per district for President Clinton. The standard deviation was 573. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.PLEASE ANSWER C, D AND E AND ROUND TO THE 4 DECIMALc. Find the probability that a randomly selected district had fewer than 2062 votes for President Clinton. d. Find the probability that a randomly selected district had between 2052 and 2347 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
Consider the following sample: 1, 4, 7, 2, 6. How does the standard deviation change when the 7 is replaced with a 12? Answer intuitively first, and then check your answers numerically.
Consider the data from the Anthropology 105 class. The mean for women is 64.33 in and the standard deviation is 2.64 in. The average height of men in the US is approximately 5ft 10in. What proportion of women represented here are shorter than the average man?
There are only 4 teams in a league. The winning percentages of the teams are given as follows: Team A: 58%, Team B: 30%, Team C: 62% and Team D: 82%. Calculate the standard deviation.
1. higher or lower 2. Slower or faster
Three students were applying to the same graduate school. They came from schools with different grading systems. Thuy is Vichet is Kamala is Number Number Student GPA School Thuy Number 2.5 Vichet 86 Table 2.74 School Average 2.8 80 Kamala 8.5 8.3 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Average GPA GPA School Standard Deviation 0.8 10 0.5 standard deviations from Thuy's school average. standard deviations from Vichet's school average. standard deviations from Kamala's school average.
A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 35,000 miles and a standard deviation of 2100 miles. He wants to give a guarantee for free replacement of tires that don't wear well. How should he word his guarantee if he is willing to replace approximately 10% of the tires? Click to view page 1 of the table. Click to view page 2 of the table. Tires that wear out by miles will be replaced free of charge. (Round to the nearest mile as needed.)
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
1. Measure your height and find how many standard deviations you are from 50th percentile using the Anthropometry table in slide 17 in the Anthropometry slides. My height is 5 feet 7 inches. 2. Using this measured stature, estimate the lengths of your forearm, foot, and hand (https://exrx.net/Kinesiology/Segments). 3. Measure your forearm, foot, and hand using a tape measure (or some other device).( forearm= 7inches; foot=10inches; hand=22inches). 4. Indicate the error in %s for each segment (compare measured vs table value), and indicate which if your 3 segments was the furthest off.
Three students were applying to the same graduate school. They came from schools with different grading systems. Vichet is Kamala is Number Number Student GPA School Average GPA School Standard Deviation Thuy 2.4 2.2 0.5 Vichet 85 96 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Thuy is Number Kamala 8.7 8.2 Table 2.74 20 0.8 standard deviations from Thuy's school average. standard deviations from Vichet's school average. standard deviations from Kamala's school average.
NEED HELP WITH: A,B,C please thanks
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