Suppose we take a random sample of 400 female students and 250 male students and ask "Whichdog out of the following is your favorite: chihuahua, pug, golden retriever or boxer?". The results canbe found in the following table.Dog PreferencegoldenretrieverchihuahuapugboxerFemale1701821830Male135702025mputerUse a 0.01 significance level to determinethe same proportion of males and females prefer eachtortype of dog.Provide the following information in your answer:1. State Ho and H, (Make sure to translate these in the context of the problem)2. Calculate Expected Values (Round to two decimal places)Produce chart for the problem.3. Write down x2 test statistic (Round to three decimal places)4. Write down the p-value (round to four decimal places)5. Do you reject the Null Hypothesis or do you fail to reject the Null Hypothesis?6. State your conclusion

Part 1 To Test :- H0 :- Proportion of preferences of male and female is same. H1 :- Proportion of…

Answered: Suppose we take a random sample of 400…

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 a 25-unit sample of a variable with a population average of 50, the Mean was 53 and the variance was 100. Which of the following is the test statistic for hypothesis testing? Please select one: a. 2.5 b. 1 c. 0.75 d. 3 e. 1.5
Consider the following data: 5,−5,5,−5,−5,14,55,−5,5,−5,−5,14,5 Copy Data Step 1 of 3 : Calculate the value of the sample variance. Round your answer to one decimal place.
What is one indication that there are paired samples in a data set? Choose the correct answer below. O A. Knowing the value that a subject has in one group gives one no information about the value in the second group. OB. Each observation in one group is coupled with one particular observation in the other group. OC. The researcher is comparing two populations. O D. The researcher is working with two distinct groups in the data set.
A researcher wanted to test whether there is a relationship between preferred sweet (Oreo cookies, Mars bars, or Twinkies) and age group (children, adolescents, or young adults). To test that, subjects from the three age groups were asked which of the three sweets they preferred. Which statistical test should be used to analyze the data? 1. chi square test of independece 2. chi square test for goodness of fit 3. one sample t test 4. one way anova test
Participant Keyboard A Keyboard B Keyboard C Keyboard D A 6. 3. -- 4 4 -- -- E 4 6. -- -- Are the data enough to conclude that there are significant differences in typing performance among the four keyboard designs. Test with a = .05. 2. 3.
Consider the following data: −10, −10, 0, 3, −10, 3, 3 Step 1 of 3: Calculate the value of the sample Variance. Round your answer to one decimal place. Step 2 of 3: Calculate the value of the sample deviation. Round your answer to one decimal place. Step 3 of 3: Calculate the value of the range.
Two social scientists wanted to know if more violent crimes are committed when the temperature goes up. They measured the high temperature for each day during the year in Atlanta and compared the temperature for that day to the Police Department’s report for the number of violent crimes for that day. What statistical test should they use to analyze the data? a. Paired t-test b. Correlation c. One Way ANOVA d. Independent Samples t-test e. Chi Square Test of Independence
Please do 3 and 4.
Compute the measures of central tendency (mean, median, mode) and the measures of variation(range, variance, standard deviation) of the following and provide a detailed explanation of howyou come up with your answer. a. Consider the data as POPULATION 6,8,8,10,10,10,10,10,12,12,14 b. Consider the data as SAMPLE 6,6,6,8,8,10,12,12,14,14,14
Consider the following two sets of history class final test scores: X: 88, 15, 22, 93, 72 Y: 50, 52, 59, 61, 56 A. Which of these sets of scores was more likely drawn from a sample with the greater Variance? B. Why?
For scenarios of statistical studies are given below. Decide which study uses a population parameter. And estimated 15% of Americans don't use the Internet. Lakeside family dentistry reported that six of the 15 patients who came in for regular cleaning one day had at least one cavity.
what was the age distribution of prehistoric Native America? Extensive , anthropological studies in the southwestern United states gave the following information about a prehistoric extended family group of 82 members on what is now a native american reservation. for this community, estimate the mean age expressed in years, the sample variance, and the sample deviation. For the class 31 and over, use 35.5 as the class midpoint. 39,16, 20,7

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