Math Homework

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•1. A researcher is interested in testing the common belief
•1. A researcher is interested in testing the common belief that most college students gain 15 pounds their freshman year of college. He collects the weight of a group of freshman in September and the… read more
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5) Make a scatterplot of two continuous variables-Age, Sex Age 57,
5) Make a scatterplot of two continuous variables-Age, Sex Age 57, 67, 59, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 61, 65, 65, 66, 67, 68, 69, 67, 67, 72, 73, 74, 75, 74, 70, 68, 68, 69, 6… read more
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The hospital would like to ensure that the overall arrival
The hospital would like to ensure that the overall arrival to provider wait time is less than 60 minutes. Column B has overall wait times for a random sample of 150 patients. a) Using α = .05, conduct… read more
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Given the following frequency distribution, find the mean,
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 56-58 22 59-61 14 62-64 24 65-67 19 68-70 19… read more
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I have a final for mat 117 and I need help with 17 questions
I have a final for mat 117 and I need help with 17 questions http://www.mediafire.com/?2n972joi3znbl78… read more
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susan athena. Given the following frequency distribution, find
susan athena. Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 56-58 25 59-61 21 62-64 8 65-67 13 68-70 21… read more
rajeevanpillai
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Given the following frequency distribution, find the mean,
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show work. class frequency 51-53 9 54-56 19 57-59 16 60-62 24 63-65 25… read more
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Consider a sample of ages of 100 executives. 28 28 &quo
Consider a sample of ages of 100 executives. "28 " "28 " "31 " "32 " 32 34 36 36 A. Order the data set and find the first, second, and third quartiles. B. Draw a box-and-whisker plot that represents t… read more
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1. How much time do executives spend each day reading and sending
1. How much time do executives spend each day reading and sending email? A survey was conducted to obtain this information. The response (in minutes) is below. Can we infer from these data that the me… read more
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Bachelor's Degree
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50) Factor completely. 180a^2+300ad+125d^2 51) Multiply
50) Factor completely. 180a^2+300ad+125d^2 51) Multiply (-2t)^2 * (4t^6)^2 = ? 53) Solve: 4x^4 - 12x^2+5=0 x=________ 54) Find the following. Assume that variables can represent any real number: sqrt … read more
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I have 11 problems I need help w/. Can anyone help me, Thanks. 56.) Add
I have 11 problems I need help w/. Can anyone help me, Thanks. 56.) Add: (6x^2-5xy+y^2)+(-9x^2-4xy-y^2)+(x^2+xy-6y^2) 57.) Multiply and simplify. Assume variables represent nonzero real numbers: y^11*… read more
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Can you confirm the ones I have answered and help with the
Can you confirm the ones I have answered and help with the ones I did not answer. A 7- in. pizza costs \$8 and a 14-in. pizza costs \$20. Tommy says that the smaller pizza is a better buy because the la… read more
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Some traffic experts believe that the major cause of highway
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Income 53 47 59 44 87 56 62 60 70 85 63 57 59 64 45 62 63 55 77 52 72
Income 53 47 59 44 87 56 62 60 70 85 63 57 59 64 45 62 63 55 77 52 72 64 68 54 63 57 67 47 58 58 58 57 66 67 63 62 49 42 70 42 69 28 53 59 44 61 54 67 5 5 56 74 33 67 55 50 52 47 48 59 60 50 46 70 56 … read more
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. Testing for differences in student height. a) The average
. Testing for differences in student height. a) The average height of 6th grade girls in the Kansas is 61.8 inches, and the average height of 6th grade boys in Kansas is 59.4 inches. Are the heights o… read more
abozer
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Testing for differences in student height a. The average
Testing for differences in student height a. The average height of 6th grade girls is 61.8 inches and the avg height of boys is 59.4 inches. Are the heights of the boys and girls found on the excel sh… read more
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Suppose a group of 50 students have the following heights (in
Suppose a group of 50 students have the following heights (in inches): 60, 61, 70, 74, 60, 72, 64, 67, 70, 68, 71, 68, 73, 59, 54, 55, 61, 65, 71, 70, 66, 59, 64, 59, 65, 61, 66, 65, 70, 72, 73, 65, 6… read more
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Calculations of (in seconds) the nine 11 years old. Question
Calculations of (in seconds) the nine 11 years old. Question 1: Find the lower quartile Question 2: Find the Median Question 3: Find the upper quartile 40 42 43 47 &nb sp; 49 50 58 60 65 Mean 454/9 = … read more
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