2w.need help with parts a-ca.What is the chi-squared test statistic for this data set?What is the appropriate degrees of freedom value for this test?b.What is the critical value that you would use to determine if there is a difference in the distributions of fish sizes across the different lakes?c.Select a conclusion statement from a list of choices.(photo attached) Consider a situation where an ecologist collects samples of fish from 4 different lakes named for their direction from a central location. They classify each capturedindividual into one of three size categories and record the numbers.Body sizeMedium29292517Location SmallNorth21East29South31West19Large50424464 There is good evidence that the distributions of sizes of fish appear to be different in the different lakes (p>0.05).There is good evidence that the distributions of sizes of fish appear to be different in the different lakes (0.0250.There is not good evidence that the distributions of sizes of fish appear to be different in the different lakes(0.025

Given: The data on the location and body sizes of fish is provided as follows: Body Size…

What is the chi-squared test statistic for this data set?What is the appropriate degrees of freedom value for this test? b.What is the critical value that you would use to determine if there is a difference in the distributions of fish sizes across the different lakes? c.Select a conclusion statement from a list of choices.(photo attached

What is the chi-squared test statistic for this data set?What is the appropriate degrees of freedom value for this test? b.What is the critical value that you would use to determine if there is a difference in the distributions of fish sizes across the different lakes? c.Select a conclusion statement from a list of choices.(photo attached

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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In the US, 43.9% of all people have type O blood, 40.6% have type A blood, 10.8% have type B blood and 4.7% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3488 millionaires. What can be concluded at the a = 0.05 significance level? a. Complete the table by filling in the expected frequencies. Round to the nearest whole number: Frequencies of Blood Type Outcome Frequency Expected Frequency 1521 A 1427 В 376 АВ 164
3. You would like to determine if there is a statistical relationship between the amount of caffein in a cup of coffee and their sales at their coffee franchises. The data is included in the set "Coffee by the Cup". Here is information about the variables. Variable Caffeine Cups Sold Measurement Amount of caffeine in one cup Number of cups of the coffee Units Milligrams Cups sold sold at all of the franchises a. Which variable is the explanatory variable and which variable is the response variable? b. Construct a scatterplot of the data. Based upon the scatterplot is there a linear relationship between the amount of caffeine in one cup of the coffee and the number of cups of coffee sold? Justify your reasoning using the scatterplot. c. Run a t-test for correlation using technology. Make sure you include the p-value and the printout. According to the t-test, is there a statistical relationship between the amount of caffeine in a cup of coffee and the number of cups sold? Justify your…
The variables in this dataset are as follows: Weight (weight of the respondent), Race (race of the respondent), HAPMAR (happiness with marriage), and AreaCode (area code). 1. What is the scale of measurement of these four different variables?
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A certain statistics instructor participates in triathlons. The accompanying table lists times (in minutes and seconds) he recorded while riding a bicycle for five laps through each mile of a 3-mile loop. Use a 0.05 significance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a hill? LOADING... Click the icon to view the data table of the riding times. Question content area bottom Part 1 Determine the null and alternative hypotheses. H0: ▼ mu 1 greater than mu 2 greater than mu 3μ1>μ2>μ3 mu 1 not equals mu 2 not equals mu 3μ1≠μ2≠μ3 Exactly two of the population means are different from each other.Exactly two of the population means are different from each other. At least one of the three population means is different from the others.At least one of the three population means is different from the others. mu 1 equals mu 2 equals mu 3μ1=μ2=μ3 H1: ▼ mu 1 greater than mu 2…
Provided below is a simple data set for you to practice finding descriptive measures. For the data set, complete parts (a) through (c) below. 1,4,7,8 a. Obtain the quartiles. Q₂ Q₂ = (Type integers or decimals. Do not round.) b. Determine the interquartile range. The interquartile range is (Type an integer or a decimal. Do not round.) c. Find the five-number summary. 0.000.0 (Type integers or decimals. Do not round. Use ascending order.)
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One of the great difficulties a small restaurant manager faces is to pleaseevery customer who differs widely in age. On a randomly selected evening, this restaurant served 12 customers whose ages reported below: 87 58 54 61 3 35 31 28 3 16 68 36 a) What are the mean, median, and mode of the data? b) What measure of central tendency would you use here? Why? c) Find the ve-number summary of the data. ??
Determine what would be the most appropriate method of Colleting data today and the Scale of Measurement that will be used in a study to “Find the Number of schools that closed down in 2020 due to the CONVIRUS… Briefly explain justification of your choices in Number 1…