You are conducting a test of independence for the claimthat there is an association between the row variable andthe column variable.X Y ZA37 33 12B 32 40 15The expected observations for this table would be...?Round to two decimal places.XYABWhat is the chi-square test-statistic for this data? (Roundto 2 decimal places.)x² =Z=

The formula of chi - square test - statistic (χ2) is derived as below χ2=∑Oi-Ei2Ei…

Answered: You are conducting a test of…

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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Score. 4.2.9 Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table Drive-thru Restaurant o B Order Accurate Order Not Accurate 270 236 33 135 313 30 59 17 If one order is selected, find the probability of getting food that is not from Restaurant A. The probability of getting food that is not from Restaurant A is 0.305 (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All search 86°F Su 立

In the US, 46.2% of all people have type O blood, 39.1% have type A blood, 10.4% have type B blood and 4.3% 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 3116 millionaires. What can be concluded at the a = 0.01 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 1434 A 1224 В 310 AB 148 b. What is the correct statistical test to use? Select an answer V c. What are the null and alternative hypotheses? Но: O Blood type and income are independent. O The distribution of blood type for millionaires is not the same as it is for Americans in general. O The distribution of blood type for millionaires is the same as it is for Americans in general. O Blood type and income are dependent.
please answer blank questions only and or ones with a red x next to them.
Which statement is true about the dot plot? 1 2 3 4 5 O The data is fairly uniform. O The mean is greater than the median. O No conclusions can be drawn from the data. O The mode and the median of the data are the same.
Which of the following statements is not true? There is only one median for each variable. One definition of the median states that, for an odd number of observations, the median is the middle score when scores are placed in order of magnitude. Another term for the median is 50th percentile. The median is generally more sensitive to (i.e., affected by) the presence of a few extreme observations than is the mean.
Attention: These data are different from your previous questions! Now Lynn takes a different approach. They collect another two samples - GPA from students taking a semester of in-class courses, and then the same students' GPA when they are taking a semester of online courses. The data set is below. They predict that they will find a difference between in-class GPA and online GPA for the same students. Differences Between GPA's Student In Class GPA Online GPA Amy 4.0 3.5 Brad 3.5 2.2 Caroline 3.7 2.0 Dan 3.5 3.5 Emily 3.6 3.3 Frank 3.2 3.2 George 3.3 2.1 What is the t-statistic for this t-test? (Round to 2 decimal places.)
Which of the following must be entries from the original data set? the mode the range the third quartile the median the maximum
Step 2 of 3: Compute the Value of the test statistic. Round your answer to three decimal places. Step 3 of 3: Draw a conclusion and interpret the decision
The president of a school club would like to purchase T-shirts for members of the club and asks members which size they would like to order. The results are shown in the histogram below. T-Shirt Sizes 24 22 20 18 16 14 Small Medium Large Extra Large Size Which of the following is a true statement regarding the information shown in the histogram? O T-shirt size is a discrete quantitative variable. O T-shirt size is a continuous quantitative variable. O Frequency of each size is a discrete quantitative variable. O T-shirt size is a categorical variable. kouanbes
Answer #1 and 2.
I need help with parts 2,3, and 6

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