Which statistical test needs to be used to interpret these data groups? a.     Age OCD began / age of enrollment into study   b.     Age OCD began / Family history of OCD (binary)   c.     Age OCD began / Low cholesterol (different, numerical values)

Q: What is the difference between preventative measures and preventative statistics of a disease

A: preventive  healthcare or preventive  medicine refers to the measures taken in order to prevent and…

Q: What is the mean of the data set comprising the numbers 7, 6, 5, 6 and 11?

A: Here Given Data set 7,6,5,6,11

Q: Based on the boxplot and descriptive statistics, which group shows more variability in narcissism…

A:

Q: What  statistical test( from the data)  should be used to check whether people choose each type of…

A: Chi-square goodness of fit test: The Chi-square goodness of fit test is used to test whether or not…

Q: What term is used to explain the natural difference between a sample mean the overall population…

A: What term is used to explain the natural difference between a sample mean the overall population…

Q: The number of patients treated in a dental office on Mondays was recorded for 11 weeks. What are the…

A: Arrange the given data in ascending order5,10,13,15,16,17,18,20,28,28,28Sample size(n)=11

Q: number of passenger in considered to be 1. Categorical data 2. Quantitative data ?

A:

Q: Correlation? Example Explanatory Variable Response Variable (positive/negative/none) The number of…

A: (1) Explanatory Variable: The number of miles you drive Response Variable: The amount of gas in the…

Q: find 2nd quartile for given data 12,15,6,3,7,9,8,4,14,19,18,16,13,15,14,12,15,5

A:

Q: What are the four levels of measurement scales for variables in statistics?

A: Introduction The measurement scale of a variable in statistics is an important factor that…

Q: compute the range,mean, median & mode of given data

A: Range =maximum - minimum=8.8-7=1.8

Q: What is the population mean of the given set of data? {3, 5, 9, 7, 10}

A:

Q: Why do we have to determine the mean, median, and mode of group data in research? What are its…

A: The central value is taken as a representative of the entire data. This is called a measure of…

Q: What is the mean of the data set comprising the numbers 7, 8, 4, 5 and 11

A: Data set: 7, 8, 4, 5 and 11 Number of observations = 5

Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

Q: what are the first quartile median and third quartile of this data set? 19…

A: Observations in the ascending order are :16,17,19,24,28,30,31,32,36,37,40,43,45Here, n=13 is odd.M=…

Q: Every 12 hours, 90 parts are randomly sampled and the # of defective parts (out of 90) is recorded.…

A: A total of 90 parts are randomly sampled. Out of 90, 16 samples are given.Total number of parts =…

Q: find 5th quartile for given data  12,15,3,4,12,18,17,5,6,9,20,19,13,4,7,17

A: Solution  Its 50 th quartile not 5th quartile

Q: FIND THE MEAN,MEDIAN,MODE,RANGE,VARIANCE AND SD OF THE FOLLOWING GORUP OF DATA   1. Aptitude test…

A: Data  85,90,83,79,80,90 Note: According to Bartleby expert can solve only one question and rest can…

Q: What is the variable of interest in this data set and what is the type of this variable?

A: Here given dataset of 25 army inductees in Ontario given a blood test to determine their blood type…

Q: What are the median, 1st quartile, and 3rd quartile of this data set? The number of pairs of jeans…

A: What are the median, 1st quartile, and 3rd quartile of this data set? The number of pairs of jeans…

Q: Which type of data is the strongest data for statistical analysis?

A: The most reliable data for statistical analysis is determined by the specific research question and…

Q: Explain the importance of describing and comparing set of data in analyzing statistical…

A: Importance of comparing and describing a dataset.

Q: What level of data is "number of offenses"?

A: Interval data: On top of ordinal data, interval data is built. It not only describes the order of…

Q: find 3rd quartile for given data 12,15,14,18,16,1,5,9,6,7,6,7,15,14,16,32,25,5

A:

Q: What is the size of the population from the given set of data?

A: Given, Data 2 5 8 3 7

Q: What is the relationship of population, sampling, sample, and inference in statistics?

A: Statistics is a field of study which involves collecting, arranging, analyzing, and drawing…

Q: Is there a statistically significant difference between classical and dance groups'in this data set?…

A: Given: the significant difference between classical and dance groups in this data set

Q: 4. Is there a difference in overall happiness for cat owners versus dog owners. This was a question…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Identify the type of statistics researchers used when reporting demographic information such as…

A: Descriptive Statistics are a series of different descriptive coefficients that represent a data set,…

Q: a researcher uses an anonymous survey to investigate the television-viewing habits of 100 American…

A: Solution-: A researcher uses an anonymous survey to investigate the television-viewing habits of 100…

Q: Why Mode value is one of the given set of data values?

A: Mode: Occasionally, when describing a set of data, the mode is used as a measure of central…