Find the expected count and the contribution to the chi-square statistic for the (B, F) cell in the two-way table below.D EFG.TotalA4038143B.75936629119382932118Total129161135127552Round your answer for the expected count to one decimal place, and your answer for the contribution to the chi-square statistic tothree decimal places.Expected count =contribution to the chi-square statistic =eTextbook and MediaHintAttempts: 0 of 3 usedSubmit AnswerSave for Later63 F Cloudy ^10Type here to search573035C.

Answered: Find the expected count and 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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A statistics professor would like to build a model relating student scores on the first test to the scores on the second test. The test scores from a random sample of 21 students who have previously taken the course are given in the table. Student Test Grade 1 Test Grade 21 42 812 51 743 88 624 99 575 54 726 66 737 87 638 99 579 97 5810 89 6311 42 7712 71 6313 96 5514 56 7615 75 6916 57 7017 62 7518 89 6319 50 7220 56 7221 89 57Step 1 of 2 : Using statistical software, estimate the parameters of the modelSecond Test Grade=β0+β1(First Test Grade)+εi.Enter a negative estimate as a negative number in the regression model. Round your answers to 4 decimal places, if necessary.
The table below shows average tuition and fees charged by American colleges and universities as well as federal student assistance for the years 1995 to 2005. Let x represent the number of years since 1995. Use the data in the table to answer the follwoing qestions. Year 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 tuition/fees public ($) 2057 2179 2271 2360 2430 2506 2562 2700 2903 3319 3629 tuition/fees private ($) 11111 11864 12498 12801 13428 14081 15000 15742 16383 17327 18154 federal assistance (million $) 35477 38865 40074 43072 40162 44007 48582 55525 62275 69053 72112 Step 1: Calculate the percentage of increase for the private college and university tuition and fees from1995 to 1999. Enter your answer inside the box below and round the answer to the nearest whole number. Calculate the percentage of increase for the private college and university tuition and fees from 2000 to 2005. Enter your answer inside the box below and round the answer to the…
Obtain the Z scores on each subject’s age. DATA Subject Gender Marital Status Age Education Household Income Personal Income 1 F 1 30 0 70000.00 40000.00 2 F 0 40 0 32500.00 32500.00 3 M 1 45 0 42000.00 .0 4 M 1 23 0 50000.00 50000.00 5 M 0 50 0 4500.00 4500.00 6 F 0 65 1 40000.00 22000.00 7 F 1 33 1 12000.00 12000.00 8 F 0 20 2 56000.00 52000.00 9 F missing 30 3 17500.00 17500.00 10 M 1 Missing 4 44000.00 39000.00 11 M 2 58 1 missing missing 12 M 2 32 2 10000.00 10000.00 13 M 1 35 3 missing missing 14 F 2 23 4 100000.00 50000.00 15 F 2 34 1 64000.00 64000.00 16 M 1 26 2 Missing missing 17 M 1 36 3 missing missing 18 F 0 41 4 7500.00 5500.00 19 F 0 43 1 missing missing…
The results for a blood test for a certain disease are shown in the table below. Based on the table, what is the prevalence of the disease? T+ T- Total D+ 290 10 300 D- 3219 481 3700 Total 3509 491 4000 A. 0.09 0.97 O B. 0.0725 290 Screenshot
Coffee and blood pressure. A scientist suspects that coffee increases blood pressure. So, he measures the systolic blood pressure of six random patients and then measures it again 30 minutes after they drink a single cup of caffeinated coffee. The results are tabulated below. Test the claim that coffee causes an increase in blood pressure. Before Coffee 123 114 100 120 112 115 After Coffee 123 119 102 121 112 118 (a) Why are these paired data? O This table does not have paired data; there is no clear relationship between the data in each column. O Each column contains data from the same patient. O Most of the 'After Coffee' values are smaller than the corresponding 'Before Coffee' values. O The after and before rows are the same size. (b) Write the hypotheses in symbols. Note that this problem uses Haiffabefore-after instead of Pdiff-after-before so be careful. O H;: Pdiffabefore-after = 0 H3: Pdiff-before-after 0 O Ho: Hdiffabefore-after H3: Pdiffabefore-after = 0 = 0 OH,:…
e data set below represents the ages of 36 executives. Find the percentile that corresponds to an age of 62 years old. 29 41 29 31 43 32 43 56 35 43 36 45 56 36 42 48 63 36 38 48 49 46 46 47 56 62 64 58 59 60 64 64 66 Percentile of 62= (Round to the nearest integer as needed.) Enter your answer in the answer box. O Hi 216 A P Type here to search 2/26/202 TLL 602 pouse break 19 prl sc 76 17 18 F10 delete home O/D 5550 SYSCO & 3. bockspoce 4. 5 7\ R Y
this is the data 0.079 0.074 0.058 0.248 0.115 0.189 0.138 0.217 0.302 0.116
The table below contains the value (in dollars) and the amount of annual rental income (in dollars) for a random sample of 42 houses. ('Capital and rental,' 2013). house value annual rental income 95000 7904 104000 7904 67500 6864 77000 4576 200000 12272 303000 12272 148000 8320 325000 12480 115000 7904 190000 8320 300000 12480 165000 8528 240000 11648 200000 8320 125000 7904 310000 12480 90000 6240 75000 7280 289000 11648 140000 9152 94000 8736 208000 10400 130000 9776 214000 8528 155000 7488 262000 10192 240000 12064 200000 10400 110000 7072 240000 10192 145000 8320 121000 12064 85000 7072 270000 12896 200000 10608 126000 6240 178000 11856 170000 9568 135000 8320 170000 12688 174000 10400 81000 6656 a) Since data were collected for variable(s), the correct graph to make is a .b) Make a scatterplot of X versus Y using technology. Use this graph to answer the part below. c)…
percentile value of 77
Relax! The General Social Survey asked 1719 people how many hours per day they were able to relax. The results are presented in the following table. Number of Hours Frequency 0 119 12345 192 325 262 322 240 6 146 7 44 8 Total 69 1719 Send data to Excel Consider these 1719 people to be a population. Let X be the number of hours of relaxation for a person sampled at random from this population. Submit
Time to review: The following table presents the time taken to review articles that were submitted for publication to a particular journal during a recent year. A few articles took longer than 6 months to review; these are omitted from the table. Consider the data to be a population. Time(Months) Number of Articles 0-0.9 48 1.0-1.9 18 2.0-2.9 15 3.0-3.9 20 4.0-4.9 10 5.0-5.9 13 (a) Approximate the variance of the times. Round the answer to at least two decimal places. The variance is (b) Approximate the standard deviation of the times. Round the answer to at least two decimal places.The standard deviation is Can you please help me with question a & b? A) variance b) standard deviation
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