For questions 2 to 4: The following are the scores of the students of Mr. Alvin in their Math test 8, 10, 11, 11, 12, 13, 15, 17, 19, 22, 22, 24, 25, 26, 27, 29, 30 2. What is the score located on the 1st Quartile or Q? В. 10 А. 8 С. 11 D. 12 3. What is the score located on the 2nd Quartile or Q2? А. 13 В. 15 С. 17 D. 19 4. What is the score located on the 3rd Quartile or Q3? А. 26 В. 27 С. 29 D. 30

Q: In a married couple, the husband and wife are both 6 feet (72 inches) tall. Which person has a…

A: Given, the husband and wife are both 6 feet (72 inches) tall

Q: If the results of a statistics test from one university (X) show that students are better than…

A: The agenda of this problem is to prove that University X is better than University Y. So lets assume…

Q: The data were collected from a statistics class. The column heads give the variable, and each of the…

A: The objective is to find another categorical variable that might have been recorded for the…

Q: A researcher was interested in testing males' and females' use of language. Participants were asked…

A: A researcher was interested in testing males' and females' use of language.  1) Independent variable…

Q: 7. What is the value of (X-2)2 for the scores 2,3,5?

A: To find : ∑X-22 for the scores 2, 3, 5

Q: A nutritionist wants to study the eating habits of the residents in her community. purposively…

A: Note: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question…

Q: There is a test designed to measure overall life happiness, (where higher scores indicate more…

A: Given, μ = 85σ = 12 Higher scores indicate more happiness.         To find: a. Person with lowest…

Q: On a psychology exam with a µ = 76 and σ = 12,  Tom scores at the mean,  Mary had a score of X =…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Use this information for items # 46 - #50. Conduct a t-test for an independent-measures design. You…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Diroctions: Use the data set bolow to answor the following questions. Make suro you shOW your work…

A: Given data is 36,15,9,22,36,14,42,45,51,29,18,20Sample size(n)=12

Q: Which of the following is a benefit of having replication in the experiment? Repeating the…

A: n(sample size for new style golf balls)=40 m(sample size for original style golf balls)=40

Q: The larger the interquartile range is in a data set, the more variable the data set is. O True O…

A: We have given that statement: The large the Interquartile range is in a data set, the more variable…

Q: Which of these illustrate categorical variable?       He/she is handsome/beautify       Weight…

A: Introduction: It is required to identify the categorical variable from the given list.

Q: For the following scores, 12, 20, 42, 49 which action will increase the range? subtract 1 point from…

A: 12, 20, 42, 49 Since we know that.  Range = Maximum value  - Minimum value

Q: The following is a list of 14 measurements. -46, 86, -54, -91, 44, -4, 93, -1, -20, -47, -2, -90,…

A: -46,86,-54,-91,44,-4,93,-1,-20,-47,-2,-90,74,85sample size(n)=1414 measurements are respectively…

Q: Milly’s 20 quizzes scores  5.5  9  6  8  5 5.5  9.5  6  9  6 1  6  10  8.5  8 4  10…

A: Given data : Milly’s 20 quizzes scores  5.5  9  6  8  5 5.5  9.5  6  9  6…

Q: The data were collected from a statistics class. The column heads give the variable, and each of the…

A: Solution-: We want to find the how many variables are in the data collected in given table.

Q: To get a C in history, Nandan must average 75 on four tests. Scores on the first three tests were…

A:

Q: If the mean of 7 observations 3, 8, 4, 2x+1, 10, x and 2 is 10. then the value of x and the value of…

A: Let the mean of 7 observations 3,8,2x+1,10,x and 2 is 10. Therefore, n=7, mean=10. Formula for mean…

Q: Ms. Eisenman wanted to know her average student’s score on the most recent chapter test and what…

A: Ms. Eisenman wanted to know her average student’s score on the most recent chapter test and what…

Q: If the data is weight, the z-score for someone who is overweight would be what?? if the data is…

A: Also known as standard score, z-scores are a way to compare two scores that may or may not be from…

Q: ASAP

A:

Q: II. Identify each of the following as qualitative or quantitative variables. If quantitative,…

A: Qualitative variable: qualitative variable is a categorical variable that represent different groups…

Q: The following is a list of 14 measurements. 8, -13, -3, 47, -47, 37, 69, -52, -28, 23, 27, 58, -42,…

A: From the information, There are 14 measurements given as follows: 8, –13, –3,47,–47.…

Q: The dependent vanable is the one we study: the independent variable is the one that affects the…

A: TRUE

Q: 5. What is the value of (X+1) for the scores 2,4,7? 6. What is the value of (X-2) for the scores…

A: Solve

Q: z scores that are accurate to 1 place after the decimal point (these values correspond to the tick…

A: Given that.   X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Q.39) A patient's blood pressure for the first 15 days of the month was recorded as follows.…

A: i)

Q: You are going go convert raw scores to z scores of -2, -1, 0, +1, +2. The raw score is 8, 10, 17,…

A: Z-score=(Raw-Score-Mean)/SD

Q: (b) For a set of 100 observations, the sum of deviations from 4 is -11, and the sum of the squares…

A:

Q: 9. For questions 9.1-9.5, refer to the following problem. A fitness trainer developed a set of…

A: 9.1 Given The data is as follows: First Run Second Run 13.72 8.69 8.75 6.21 9.35 9.01…

Q: A problem with polling is whether or not people are willing to answer honestly. If a question might…

A: Given that - A problem with polling is whether or not people are willing to answer honestly. If a…

Q: For the following pairs of data points (10, 100), (8, 120), (5, 200), (4, 200), (10, 90) ( 7,110\ ,…

A: Given data: (10, 100), (8, 120), (5, 200), (4, 200), (10, 90) ( 7,110), and (6, 150). The…

Q: Last week Andi had exams in Chemistry and in Spanish. On the chemistry exam, the mean was u = 30…

A: To solve the above question, we use the z score formula Andy took two Exams, Chemistry and Spanish.…

Q: 30 25 15 16 10 3 [12, 23.6] (23.6, 35.2] (35.2, 46.8] (46.8, 58.4] (58.4, 70] 24 20 5.

A:

Q: a. Construct a frequency distribution table. b. Sketch a histogram showing the distribution. c.…

A: Given data 8 6 7 5 4 10 8 9 5 7 2 9 9 10 7 8 8 7 4 6 3 8 9 6

Q: 25- 20어 15. 10 Caroline Alexandra

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: 12. refer to the given set of data beiow: 4, 4, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 10, 11,…

A:

Q: The table below shows the marks out of 40 for nine students on two tests. The tests cover similar…

A: The question is about correlation and regression Given : To find : a ) Pearson correlation…