Because colas tend to replace healthier beverages and colas contain caffeine and phosphoric acid, researchers wantedto know whether cola consumption is associated with lower bone mineral density in women. The accompanying datalists the typical number of cans of cola consumed in a week and the femoral neck bone mineral density for a sample of15 women. Complete parts (a) through (f) below.Click the icon to view the women's data.(a) Find the leasŷ=x+X(Round to four dColas per Week and Bone Densitycolas per week0011223355667048Bone Mineral Density (g/cm³)0.9080.8960.8870.8770.8660.8500.8290.8360.8150.8000.7950.7730.7710.7600.735X

Answered: Image /qna-images/answer/99f2d4a3-34aa-4c28-80b5-683d7752e33f.jpg

Answered: Because colas tend to replace healthier…

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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Use the same scales to construct boxplots for the pulse rates of males and females from the accompanying data sets. Use the boxplots to compare the two data sets. Click the icon to view the data sets. 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110 OC. D. 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110 Determine the boxplot for the women's boxplot data. A. В. 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110 OC. OD. 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110
What analysis should I use to test the following correlation between the following variables: 1. Illinois Rape Myth Acceptance score 2. Gender of participant (male or female)
Use this dataset for your analysis software.Cost-to-charge ratio (the percentage of the amount billed that represents the actual cost) for inpatient and outpatient services at 11 Oregon hospitals is shown in the following table. A scatterplot of the data is also shown. Cost-to-Charge Ratio Hospital OutpatientCare InpatientCare 1 62 80 2 66 76 3 63 75 4 51 62 5 75 100 6 65 88 7 56 64 8 45 50 9 48 54 10 71 83 11 54 100 The least-squares regression line with y = inpatient cost-to-charge ratio and x = outpatient cost-to-charge ratio is = -1.1 + 1.29 x. (a) Is the observation for Hospital 11 an influential observation? Yes or No (b) Is the observation for Hospital 11 an outlier? Yes or No (c) Is the observation for Hospital 5 an influential observation? Yes or No (d) Is the observation for Hospital 5 an outlier? Yes or No
The school cafeteria collects data on students’ juice box selections. What type of data are these? 1.categorical, nominal data 2.numerical, discrete data 3.categorical, ordinal data 4.numerical, continuous data
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determine whether the samples are independent or dependant. To test the effectiveness of a drug, cholesterol level are measured in 60 men and 60 women after the treatment.
What are percentiles useful for a. showing frequency b.comparing values c. showing concentration
The following data lists heights (in cm) of 10kids at a pediatrician's office:151, 139, 138, 137, 153, 148, 156, 161, 144, 168 In what percentile is the child who's height was 144cm? Percentile rank =
Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack İS summarized in the histogram below. 12 10 8 4 140 142 144 146 148 150 152 154 amount of sugar (mg) What Is the sample size for this data set? 2.
Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted to determine if some pain medications produced more or less dizziness than others. The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group who experienced dizziness are the same at the a = .01 level of significance. Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 No dizziness 4063 1832 1330 382 337 1) Determine the null and alternative hypotheses. Select the correct pair. OH,: The proportion of people within each treatment group who experienced dizziness are the same Ha: The proportion of people within each treatment group who experienced dizziness are different OH,:The proportion of people within each treatment group who experienced dizziness are independent Ha: The proportion of people within each treatment group who experienced dizziness are dependent 2) Determine the test Statistic. Round your…
The midterm and final exam grades for a statistics course are provided in the data set below. Jaymes, a student in the class, scored 86 on both exams. Treat the given data sets as samples. Midterm: 80, 78, 85, 82, 79, 79, 78, 86, 80, 84, 78, 84, 80, 84, 81, 78, 81, 82, 78, 84 Final: 81, 88, 68, 69, 69 81, 82, 86, 76, 71, 72, 68, 77, 86, 68, 83, 84, 71, 81, 87 z-score for midterm: 1.857 z-score for final: 1.181 Based on the z-scores calculated above, which of Jaymes's grades is more unusual, the midterm grade or the final exam grade? Select the correct answer below: A. The absolute value of the z-score for the final exam grade is greater than for the midterm grade, so the final exam grade is more unusual. B. The absolute value of the z-score for the midterm exam grade is less than for the final grade, so the midterm grade is more unusual. C. The absolute value of the z-score for the midterm exam grade is greater than for the final grade, so the midterm grade is more…
The table below shows the frequency of AP Biology scores for a high school class. AP Score Frequency 1 5 2 7 3 6 4 4 5 3 Find the mean and median. Mean = 1.67 and Median = 2 Mean = 2.72 and Median = 3 Mean = 2.72 and Median = 7 Mean = 4.53 and Median = 4 Mean = 4.53 and Median = 3

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