←The undergraduate grade point averages (UGPA) of students taking anadmissions test in a recent year can be approximated by anormal distribution, as shown in the figure(a) What is the minimum UGPA that would still place a student in the top15% of UGPAS?(b) Between what two values does the middle 50% of the UGPAs lie?GED28(a) The minimum UGPA that would still place a student in the top 15% of UGPAS is(Round to two decimal places as needed)p+3.4000.163.40Grade point averageSoL

The UGPA of students taking an admissions test follows approximately normal distribution.Mean…

Answered: The undergraduate grade point averages…

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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IQ test scores are standardized to proceed a normal distribution with the mean of u =100 and a standard deviation of 0 = 15. Find the proportion of the population in each of the following IQ categories. a. Genius or new genius IQ greater than 140 b. Very Superior intelligence IQ between 120 and 40 c. Average or normal intelligence IQ between 90 and 109
Listed below, from left to right and then top to bottom, are numbers of law enforcement fatalities for 20 recent and consecutive years. First find the mean, identify each value as being above the mean (A) or below the mean (B), then test for randomness above and below the mean using α = 0.05. Is there a trend? 183 140 173 172 144 163 242 159 150 165 164 155 191 147 124 160 171 125 106 116 The mean is. (Type an integer or a decimal. Do not round.) C
Scores on the Math Achievement Test form a normal distribution with a mean of μ = 300 and σ = 100. A school distributes scholarships to students who score in the top 10% for this test. What score or higher must be earned to score in the top 10% on the Math Achievement Test?
The distribution of male height (X) in the US is known to be normally distributed with mean of about 70 inches and variance of 25 inches. What is the IQR? (hint: think about what the IQR represents in a boxplot with regard to percentiles). The z tables can be found at the bottom of the written portion of the exam or at the end of Lecture Note 10. a.) 5.0 b.) 9.0 c.) 7.3 d.) 10.0 e.) 6.7
z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?
Listen According to Chebyshev's theorem, for a data set with a mean of 100 and a standard deviation of 5, which interval is guaranteed to contain at least 88.89% of the data set?
A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a normal distribution, as shown in the figure. (a) What water footprint represents the 86th percentile? (b) What water footprint represents the 28th percentile? (c) What water footprint represents the third quartile? u= 1.78 Mgal o = 2.76 Mgal E -6.22 1.78 9.78 Mega gallons (a) The water footprint that represents the 86th percentile is Mgal. (Round to two decimal places as needed.) (b) The water footprint that represents the 28th percentile is Mgal. (Round to two decimal places as needed.) (c) The water footprint that represents the third quartile is Mgal. (Round to two decimal places as needed.)
During a quality assurance check, the actual contents (in grams) of six containers of protein powder were recorded as 1524, 1526, 1499, 1512, 1532, and 1514. (a) Find the mean and the median of the contents. (b) The third value was incorrectly measured and is actually 1518. Find the mean and the median of the contents again. (c) Which measure of central tendency, the mean or the median, was affected more by the data entry error? (a) The mean is 1517.8. (Round to one decimal place as needed.) The median is 1519 (Type an integer or a decimal. Do not round.) (b) The mean is 1521 (Round to one decimal place as needed.) The median is 1521 (Type an integer or a decimal. Do not round.) (c) After correcting the error, the mean affected more. (Round to one decimal place as needed.) by and the median by The was

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