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Use the contingency table to the right to calculate the
Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent.… read more
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Scott
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Use the contingency table to the right to calculate the
Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent.… read more
Scott
Scott
MIT Graduate
Master's Degree
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4. Use the contingency table to the right to​ (a) calculate
4. Use the contingency table to the right to​ (a) calculate the marginal​ frequencies, and​ (b) find the expected frequency for each cell in the contingency table. Assume that the variables are indepe… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Use the contingency table to the right to​ (a) calculate the
Use the contingency table to the right to​ (a) calculate the marginal​ frequencies, and​ (b) find the expected frequency for each cell in the contingency table. Assume that the variables are independe… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Use the contingency table below to calculate the marginal
Use the contingency table below to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent.… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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This question is fr The weights​ (in pounds) of 66 vehicles
This question is fr Ryan The weights​ (in pounds) of 66 vehicles and the variability of their braking distances​ (in feet) when stopping on a dry surface are shown in the table. Can you conclude that … read more
Ryan
Ryan
Bachelor's Degree
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ARE THERE CHARGES IN VOLVED, According to a​ research,
According to a​ research, 52.052.0​% of households nationwide used natural gas for heating during a year.​ Recently, a survey of 2 comma 3002,300 randomly selected households showed that 53.053.0​% used natural gas. Use a 0.05 significance level to test the claim that the 52.052.0​% national rate has changed. Formulate the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0H0​: pnot equals≠0.520.52​, Upper H Subscript aHa​: pequals=0.520.52 B. Upper H 0H0​: pgreater than>0.520.52​, Upper H Subscript aHa​: pless than<0.520.52 C. Upper H 0H0​: pequals=0.520.52​, Upper H Subscript aHa​: pgreater than>0.520.52 D. Upper H 0H0​: pequals=0.520.52​, Upper H Subscript aHa​: pnot equals≠0.520.52 Find the test statistic. zequals= nothing ​(Round to one decimal place as​ needed.) Find the​ P-value for the found test statistic. ​P-valueequals= nothing ​(Round to four decimal places as​ needed.) Now make a conclusion. Choose the correct answer below. A. There is not enough information to make a conclusion. B. There is not sufficient evidence to support the claim that the percentage of households using natural gas has changed. C. There is sufficient evidence to support the claim that the percentage of households using natural gas has changed … read more
GLENN GILONGOS
GLENN GILONGOS
Master of Mathematics
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Using the SPSS Output from Case Exhibit 22.1-1 on page 551
Using the SPSS Output from Case Exhibit 22.1-1 on page 551 of your textbook, comment on the appropriateness of the statistical test used (make sure that your response includes information on the types… read more
Ryan
Ryan
Bachelor's Degree
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Week 3 Assignment1. Using StatCrunch, calculate the chi-square
Week 3 Assignment 1. Using StatCrunch, calculate the chi-square statistic and degrees of freedom for the following set of data for 300 people: Group A Group B Group C Total Had flu shot 20 30 32 82 Di… read more
Mr. Gregory White
Mr. Gregory White
Master's Degree
Master's Degree
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I need help whit the following 10 questions. 1. The probability
I need help whit the following 10 questions. 1. The probability that the actual population mean will be outside of the 98% confidence interval is: 1 % 2 % 4 % 5 % 2. The Chi-square test is very sensit… read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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1. With a sample size of 100 and a p of .5, the sampling distribution
1. With a sample size of 100 and a p of .5, the sampling distribution of the sample proportion will approximate a normal distribution. True False 2. The formula for the test statistic for a one-sample… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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1. Point estimates provide less confidence in indicating a
1. Point estimates provide less confidence in indicating a parameter's value than a confidence interval. True False 2. Confidence intervals provide an indication of how much variation exists in the da… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
32. This is used to compare means while controlling for the
32. This is used to compare means while controlling for the effect of a covariate. (Points : 1) ANOVA RANOVA ANCOVA Dependent t-test 33. The assumptions for ANCOVA differ substantially from those for … read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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Bivariate Analyses. These should be contingency tables that
Bivariate Analyses. These should be contingency tables that relate at least two (categorical/nominal) dependent variable (or outcome variable) to an independent variable (also nominal) and/or socio-de… read more
Math-John
Math-John
30 satisfied customers
1. The smaller the p-value, the more we doubt the null hypothesis?
1. The smaller the p-value, the more we doubt the null hypothesis? True or False. 2. If a null hypothesis is not rejected at a significance level of .05, it will ____ be rejected at a significance lev… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Use the Table provided in the hand out to find the required
Use the Table provided in the hand out to find the required x2 - values. Illustrate your work graphically. 1. For a x2 - curve with 19 degrees of freedom, find the x2 - value having area. a. 0.025 to … read more
Expert
Expert
Hello my next question is The actual counts in the cells of
Hello my next question is The actual counts in the cells of a contingency table are referred to as the expected cell frequencies. True or false question and my second question is The X2 statistic is u… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
Hello for my Business statistics class I have 2 questions A
Hello for my Business statistics class I have 2 questions A chi-square goodness of fit test is considered to be valid if each of the expected cell frequencies is : the choices are greater than zero, l… read more
Osbert12
Osbert12
Master's Degree
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