How sensitive to changes in water temperature are coral reefs? To find out, measure the growth of corals in aquariums (wheregrowth is the change in weight, in pounds, of the coral before and after the experiment) when the water temperature (in degreesFahrenheit) is controlled at different levels. In what units are each of the following descriptive statistics measured?The mean growth of the coral:The standard deviation of the growth of the coral:The correlation between weight gain and temperature:The median growth of the coral:Answer Bankdegrees Fpoundsdegrees F squaredpounds squaredno units

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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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T he number of awards earned by students at one high school is recorded. Predictors of the number of awards earned include the type of program in which the student was enrolled (e.g., vocational, general or academic) and the score on their final exam in math. Below is a description of the variables and their levels of measurement Variables Student ID - NOMINAL Math Scores - RATIO Total # of awards - DISCRETE Program Type - NOMINAL (categorical with three levels: (1)general, (2)academic, (3)vocational) Total Students= 200 Total Awards = 194 Total math scores = 10529 Program Type sum = 405 Describe the modality (i.e., shape) of this distribution (please be sure to include the appropriate statistics to support your description)
The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. H = 48 o = 7 H- 30 H-20 μ+2σ μ+ 3
Data for fuel economy ratings in mi/gal for different cars are listed below. Each pair of data represents the rating using the Old test and the New test. Old 30 22 23 31 27 21 20 19 28 16 New 25 18 25 26 23 18 17 16 31 19 Based on the previous values you found, what can you conclude regarding the linear correlation between the Old and New test method? Since the absolute value of r is ____________ the positive critical value, there _____________ between the Old and New test method for fuel economy rating.
a) Are the body mass leanness and heat-loss ratecorrelated? Explain your reasoning. b) Calculate the standard error of the correlation coefficient; what does this value represent?Using the standard error how do you report (write) your results in a scientific paper?
The following figure shows the standard normal curve and two t-curves. Which of the two t-curves has the larger degrees of freedom? Explain your answer.
Answer the picture below
Given the information provided, need help describing the type of association between Area and SpineL. Thank you :)
The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation between the data? Use a = 0.05. Hours, x Test score, y 2 50 55 E Click here to view a table of critical values for Student's t-distribution. 1 4 4 5 7 8 39 47 65 67 76 78 83 95 Setup the hypothesis for the test. Họ: p 0 Ha: p Identify the critical value(s). Select the correct choice below and fill in any answer boxes within your choice. (Round to three decimal places as needed.) O A. The critical value is O B. The critical values are - to = and to = Calculate the test statistic. t= (Round to three decimal places as needed.) What is your conclusion? There enough evidence at the 5% level of significance to conclude that there a significant linear correlation between hours spent studying and test score. is or is not isNot
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The data below is how much money an ice cream store makes and what the max temperature was at that day. Test the claim that there is no correlation between the two. Use a significance of .05. Temp Dollars (Farenheit) made 81 4145 91 3342 98 4180 105 5121 84 2480 89 3011 94 3630 86 2777 95 3914 103 4798 91 4702 立

A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a normal distribution, as shown in the figure. (a) What water footprint represents the 86th percentile? (b) What water footprint represents the 28th percentile? (c) What water footprint represents the third quartile? u= 1.78 Mgal o = 2.76 Mgal E -6.22 1.78 9.78 Mega gallons (a) The water footprint that represents the 86th percentile is Mgal. (Round to two decimal places as needed.) (b) The water footprint that represents the 28th percentile is Mgal. (Round to two decimal places as needed.) (c) The water footprint that represents the third quartile is Mgal. (Round to two decimal places as needed.)
HypertensionA hypertensive patient has been on antihypertensive medication for several years. Her physician wants to monitor herblood pressure via weekly measurements taken at home.Each week for 6 weeks she takes several blood pressurereadings and averages the readings to get a summary bloodpressure for the week. The diastolic blood pressure (DBP)results are shown in Table 6.15.Table 6.15 Weekly mean DBP readingsfor an individual patientWeek Mean DBP Mean DBP (mm Hg) Week (mm Hg)1 89 4 842 88 5 823 81 6 89.5Mean 85.75sd 3.66 6.106 What is the probability that the sample mean will bewithin 1 unit of the population mean?6.107 Suppose we want to choose a large enough sampleso that the sample mean is within 1 unit of the populationmean 99% of the time. What is the minimum sample size toachieve this goal? Suppose the incidence rate of myocardial infarction (MI)was 5 per 1000 among 45- to 54-year-old men in 2000.To look at changes in incidence over time, 5000 men in thisage group were…

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