The following table presents the intelligence quotients of runaway boys.IntelligenceQuotient30 - 3940 - 49Number26.50 - 596060 - 6914070 - 7980 - 8918413990 - 9978100 - 10937110 - 11914How many boys are below the 67th percentile?

The given data indicates the intelligence Quotient of runaway boys. The objective is to determine…

Answered: The following table presents the…

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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120 psychology students took a standardized test. The scores are summarized in the GFDT below. Scores Frequency 100 - 119 11 120 - 139 12 140 - 159 20 160 - 179 11 180 - 199 13 200 - 219 53 The scores are also described in the cumulative table shown below. Scores Frequency less than 120 11 less than 140 23 less than 160 43 less than 180 less than 200 67 less than 220 120 What is the missing value in the cumulative GFDT?answer =
K Students in an experimental psychology class did research on depression as a sign of stress. A test was administered to a sample of 30 students. The scores are shown below. 43 51 11 90 77 36 64 37 42 72 54 62 36 75 51 72 37 28 38 61 47 63 36 41 22 37 51 46 85 13 To find the 10% trimmed mean of a data set, order the data, delete the lowest 10% of the entries and the highest 10% of the entries, and find the mean of the remaining entries. Complete parts (a) through (c). (a) Find the 10% trimmed mean for the data. The 10% trimmed mean is (Round to the nearest tenth as needed.)
which is the correct answer?
Hazardous waste: Following is a list of the number of hazardous waste sites in a sample of states of the United States in a recent year. The list has been sorted into numerical order. 5 6 11 13 14 14 14 15 16 19 20 21 25 26 29 30 32 32 32 38 40 48 49 49 52 67 86 97 116 Source: U.S. Environmental Protection Agency Send data to Excel Part 1 of 2 th (a) What is the 24 percentile? th The 24 percentile is Part 2 of 2 th (b) What is the 88 percentile? th The 88 percentile is Save For Later Submit Assign Check Apswer!
Describe in detail the results achieved on the company’s test. Ignore other variables for now, just describe the test results. If the company is considering training for the lowest 10% of employees what score would they need to achieve to be exempted from training? Test Result 163 148 142 173 168 155 163 194 119 124 149 171 160 104 165 154 122 160 148 138 158 112 189 163 203 165 176 152 74 129 166 134 124 169 187 163 172 195 149 107 156 183 133 83 148 127 173 95 139 179 136 153 141 155 179 152 129 155 145 113 142 147 171 139 174 143 96 199 143 172 123 146 128 187 138 163 178 154 199 164 123 201 205 135 123 138 195 184 165 196 154 176 82 173 156 149 152 116 174 141 111 74 123 182 157 141 167 162 172 107 149 182 112 135 177 159 138 163 148 198…
Boats (tens of thousands) Manatees69 5467 3964 3571 4871 4472 6076 5482 6682 8086 7891 7993 9592 7293 7199 8198 93102 7294 9297 9592 8190 8690 8088 7187 68 Use the accompanying paired data consisting of registered boats (tens of thousands) and manatee fatalities from boat encounters. Let x represent the number of registered boats and let y represent the corresponding number of manatee deaths. Use the given number of registered boats and the given confidence level to construct a prediction interval estimate of manatee deaths. Use x=81(for 810,000registered boats) with a 99%confidence level. Use the chart above ___manatees<y< ___manatee
The mean age of two people in a room is 20 years. A 50 year old person enters the room. What is the mean age of the 3 people in the room now 20 30 33.3 35 none of the above
The top 16 winning scores for NFL games are listed below. Find the mean score. Video Tutorial: How to find the mean on a TI-84 72 54 52 54 70 51 56 58 58 52 51 63 51 48 52 61 A. 54 B. 57.1 C. 63.2 D. 56.4
The top 12 movies that have earned the most revenue (in millions of dollars) in a particular region are given in the table. Movie A B CD E F H JKL Revenue 481 420 407 367 364 363 339 336 325 237 226 215 (a) Find the mean value in dollars for this group of movies. (b) Find the median value in dollars for this group of movies. (a) The mean value in dollars for this group of movies is $ million. (Type an integer or a decimal.) (b) The median value in dollars for this group of movies is $ million. (Type an integer or a decimal.)
The following table displays the ages of female actors when they starred in their award-winning performances. Ages of Female Award Recipients 40 41 35 33 29 27 30 34 29 74 35 28 32 45 61 49 49 32 37 39 33 60 33 45 21 27 67 42 26 26 25 34 45 81 36 54 Find the mean and the median for the data in the table. (Round your mean to one decimal place.) mean median
What is the missing value in the GFDT?
The following table shows the distribution of scores on a final elementary statistics examination for a large section of students. 0.12 The cumulative relative frequency for the class 60-70 (i.e. what percentage of students scored 70 or lower) is 0.06 0.57 Classes for Exam Scores 90 and over 80-90 70 - 80 60-70 50 - 60 40 - 50 Under 40 0.43 Number of Students 5 12 40 18 13 6 6

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The following table presents the intelligence quotients of runaway boys. Number Intelligence Quotient 30 - 39 40 - 49 50 - 59 60 60 - 69 70 - 79 80 - 89 140 184 139 90 - 99 78 100 - 109 37 110 - 119 14 How many boys are below the 67th percentile?