Esnotes, homework, test corrections, and vocabulary. She also records the amount of time per day that she studies and does homework. The following datarepresent the amount of time she studied per day and her weekly test grades.Time Studied per Day Weekly Test Grade(min)(percent)y607770798081908310085Part 1 of 5(a) Graph the points on a rectangular coordinate system. Do the data points appear to follow a linear trend?100-90-80-70-20-10-Test Score (%) Part 2 of 5The data points appearto follow a linear trend.Part: 2 / 5Part 3 of 5(b) Find a linear equation that relates Loraine's weekly test score y to the amount of time she studies per day x. Express numbers in exact simplest form.(Hint: Pick two ordered pairs from the observed data and find an equation of the line through the points.)The linear equation in slope-intercept form (y=mx+b) isO=0

We have given that, The data set are : X:- 60, 70, 80, 90, 100 Y:- 77, 79, 81, 83, 85 Then, We…

Answered: Time Studied per Day Weekly Test Grade…

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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230 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0. 0.2087 48 1 49 0.213 97 40 0.1739 137 49 4 44 0.1913 230 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? %
Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…
Sunnose you drive from Here to There at a speed of 30 miles/hour and then drive back from There to Here at 60 miles/hour. What is your average speed?
Home > Math 1401-04 Spring 2024 > Assessment 2.2 Histograms and Frequency Polygons Score: 12.69/15 13/15 answered Question 7 Frequency Data was collected for 300 fish from the North Atlantic. The length of the fish (in cm) is summarized in the histogram below. 100 80 60 40 20 120 125 130 135 140 145 150 155 length of fish (mm) a What is the lower class limit for the fifth class? Submit Question Progress saved Do 0/1 pt C
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Data is given as per 20, 40, 55, and 70. The 20 and 40 are 25% as important as the 55. The 70 is twice as important as the 55. Find the (weighted) Mean. Your answer should be correct to 2 places after the decimal point. The Weighted Mean is ___________.
Please do not give solution in image format thanku The distribution of hemoglobin in grams per deciliter of blood is approximately N(15,2) in women and approximately N(16,3) in men. a. What percent of men have less hemoglobin than the women’s mean hemoglobin? b. What percent of men have more hemoglobin than the women’s mean hemoglobin? c. What percent of women have more hemoglobin than the men’s mean hemoglobin?
210 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.1714 40 1 2 39 3 52 4 43 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? 36 0.1857 0.2476 0.2048 115 167 210
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Time(min) # of students 10-19 8 20-29 15 30-39 22 40-49 18 50-59 12 60-69 9 70-79 5 Calculate the: a. Mean b. Median c. Mode
What is the x-bar calculated to 2 decimal places
Fill in the yellow please.

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Time Studied per Day Weekly Test Grade (min) (percent) y 60 77 70 79 80 81 90 83 100 85 1 of 5