18) A researcher wishes to determine if there is a difference in the average flexibility test score for female athletes and the average flexibility test score for their best friends. An appropriate test to utilize would be: O independent t- test dependent t-test Chi-square O ANOVA

Q: None

A: Creating the Contingency Table BlackWhiteYellowRedBlueTotalControls (not…

Q: test statistic and P vaule?

A: Consider the following: Friday the 6th Friday the 13th Difference = Friday the 6th - Friday the…

Q: What is the critical F statistic value if your total sample size is 50 and you are comparing three…

A:

Q: What would you use to determine whether significant differences exist between all levels of your…

A: We have to choose correct option. Which is best to determine whether significant differences exist…

Q: Compute the first and third quartile?

A: Here, we have to find the first quartiles and third quartiles.First quartile is that value below…

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A: Data given  Di=difference:0,-2,-1,-2,-3

Q: 7.38 Teaching descriptive statistics. A study compared five different methods for teaching…

A: In the given case more than two means are required to be compared for which we can use a one-way…

Q: Do wearable devices that monitor diet and physical activity help people lose weight? Researchers had…

A:

Q: What is the appropriate measure of association for whether ever received welfare (yes,no) affects…

A: Introduction: It is required to name a suitable measure of association.

Q: What is the significance of the sig level, alpha level and t test when doing statitics?

A: What is the significance of the sig level, alpha level and t test when doing statitics?

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: A political researcher wants to determine if there is an association between gender (male, female)…

A: Here we need to find the association between the two categorical variables i.e. Between gender and…

Q: Using a T – Test, what is the degrees of freedom of a one sample mean test having a sample size of…

A: Answer -  Using a  T – Test, what is the degrees of freedom of a one sample mean…

Q: What are the differences between histograms and Pareto diagram? Elaborate

A: Introduction :-  Here we have to explain what is the difference between histogram and Pareto…

Q: what is the z score formula and and reverse z score formula ?

A:

Q: The National Football League (NFL) is an American sports league where 32 of the world's premier…

A: First lets's sort the data as 2,  2,  3,  3,  4,  4,  5,  6,  6,  6,  7,  7,  7,  7,  8,  8,  9,  9,…

Q: Is “how long it takes to correctly solve the puzzle” an explanatory variable or response variable?…

A: The variable that explains the expected cause, i.e., in other words, the variable that explains the…

Q: What are various t-tests?

A:

Q: What is the relationship between industrial production and the application of statistical…

A: Industrial production is a measure of output of the industrial sector of the economy. The industrial…

Q: Nicotine Absent Nicotine PresentSelf-Reported Non Smoker 82…

A: First let's put the given data in a contingency table as shown ;

Q: 5) A study aims to explore the relationship between exercise frequency and reported stress levels. A…

A:

Q: The table below summarizes data from a survey of a sample of women. Using a 0.05 significance level,…

A: It is needed to check the claim that whether the proportions of​ agree/disagree responses are the…

Q: A chi-squared test of independence can be used to determine differences between groups in a sample.

A: The chi-squared test of independence is used to test the independence of two categorical variables.

Q: 3. Attitudes The Survey of Stud students' attitudes toward school and study habits. Scores range…

A: Given data is appropriate for testing of hypothesis. to test z-test for single mean (n>30) so, it…

Q: A market researcher is trying to determine whether males differ from females with regard to the…

A: Chi-square test

Q: What is the relationship between the t-test and the sample size? (

A: Here identifying the relationship between t test and sample size

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A: Given: The value of SST is 275. The value of SSA is 24. The value of SSB is 21. The value of SSAB is…

Q: A developmental psychologist is examining the development of language skills from age 2 to 4. Three…

A: Obtain the missing values in the ANOVA table. The missing values in the ANOVA table are obtained…

Q: Consumer Reports did a survey of 1100 adults and found that 565 were unhappy that their food did not…

A: Given, The sample proportion is, The null and alternative hypothesis is:

Q: What are some different types of analyses I could run on a independent sample t-test?

A: Independent sample t-test : It compares the means between two unrelated group in order to find…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.