2. The following are the grade point averages of 30 students recently admitted to the graduateprogram in the Department of Industrial Engineering and Operations Research at the Universityof California at Berkeley. 3.46, 3.72, 3.95, 3.55, 3.62, 3.80, 3.86, 3.71, 3.56, 3.49, 3.96, 3.90, 3.70,3.61, 3.72, 3.65, 3.48, 3.87, 3.82, 3.91, 3.69, 3.67, 3.72, 3.66, 3.79, 3.75, 3.93, 3.74, 3.50, 3.83x+1.5sand compare(d) Determine the proportion of the data values that lies withinwith the lower bound given by Chebyshev's inequality

Answered: Image /qna-images/answer/a75df0a1-8188-4c72-b3ad-740a28551c2b.jpg

Answered: 2. The following are the grade point…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence ad the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point?
Suppose we have the following data available for the average number of hours spent in the Santa Fe College Math lab. Male Female 1.50 0.75 1.20 0.82 1.30 0.91 1.05 0.84 0.75 0.59 0.80 1.02 1.00 1.90 0.95 2.10 0.925 2.20 2.50 2.50 3.00 3.50 3.50 2.20 4.01 1.80 Use Data Displays to comment on the shape of the distribution, measures of center and spread, possible skew, and outliers for both genders. (Hint: Use as many displays as needed.)
The following data (in thousands of euros) represent the net annual income for a sample of taxpayers in U.S. 47,55,18,24,27,41,50,38,33,29,15,77,64,22,19,35,39,41 67,55,121,77,80,34,41,48,60,30,22,28,84,55,26,105,62, 30,17,23,31,28,56,64,88,104,115,39,125,18,21,30,57,40 38,29,19,46,40,49,72,70,37,39,18,22,29,52,94,86,23,36 Graph this data set in a frequency histogram having 5 class intervals. Graph this data set in a frequency histogram having 10 class intervals. Which histogram do you think is more informative? Why?
Mr. James, president of Daniel-James Financial Services, believes that there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion, he gathered the following information from a sample of clients for the last month. Let X represent the number of times that the client was contacted and Y represent the valye of sales ($1000) for each client sampled. Number of Contacts (X) Sales ($1000) 14 24 12 14 20 28 16 30 23 30 b) compute the correlation coefficient and coeffcient of determination. Interpret the coefficients.
3. Eight different aged patients are tested on their sugar levels in a laboratory to know whether there is any relationship between the age and blood sugar level. Using appropriate method, analyze the following data and give your comments on the same. Patients 10 15 20 25 30 35 40 45 Blood- 70 85 110 180 125 100 180 120 Sugar level
(ii) The lecturer wishes to compare the average scores for Business Statistics between the accounting students and the finance students. He records the marks of a group of 8 students from each course in the following table. Student Accounting course Finance course 78 54 56 95 3 67 68 4 49 71 88 82 76 7 8 62 74 86 85 57 Test at 5% level of significance whether the average score for Business Statistics is different between accounting students and finance students.
1. A researcher wishes to determine if the following distances (in meters) traveled by a random sample of ten world-class long jumpers are highly affected by the speed (in meters per second) at takeoff. The distances recorded from the sample long jumpers are as follows: 7.67, 8.22, 7.94, 7.16, 8.08, 7.35, 7.89, 7.76, 7.25, and 7.43. On the other hand, the speeds are recorded as follows: 8.9, 9.2, 8.1, 8.6, 9.0, 8.4, 8.8, 9.1, 8.0, and 8.2. What will be the distance, assuming that the speed is 9.4 meters per second? Round your answer to two decimal places. There is no need to place the unit. 2. A certain regression line equation has the slope equal to 720.25 and an intercept that is equal to -182.4. What will be the predicted score for the dependent variable if the independent variable is 281.5? Round your answers to two decimal places. Do not place any unit.
Probability. Please assist me in these 2 short questions.
IBL Company manager asked his statistic team to give to the production department the data on the number of phones manufactured over the 17 months.. The data collected are as follows: Months 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 REQUIRED # of phones produced 2045 1566 1207 4563 5052 3465 2542 4134 3567 5163 4563 7453 2621 4772 4563 5052 2846 1. Calculate the following using the data provided on the table: a. the mean b. median c. mode 2. Find the Quartile 1, Quartile 3 and inter-quartile of the phones produced 3. Why is the quartile important? What purpose does it serve? 4. Why is median preferred to mean in certain circumstances? 5. How do we call data when Mode >Median >Mean and show with a diagram how such distribution looks? 6. Explain and compare parameters and statistics.
3. The following data are the number of burglaries reported for a specific year for fifteen Metro Manila universities: 30, 18, 3, 7, 61, 11, 1, 3, 2, 12, 15, 11, 13, 14, 11 a. Mean b. Median c. Mode
calculate the range for each of the following data sets a. 11, -9, 8, 23, 43, 37, -40, 33, -26 Range: b. -7.8, -7.9, -5.5, -6.4, -3.3, -6.1, -4,-2.1, -3.9, -5.1 Range: c. 8.7, 5.3, 5.1, 7.4, 8.8, 5.4, 4, 7.7 Range:

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