The following are the test scores of Janelle in all of her subjects. English - 45 Math - 42 Science – 48 Filipino - 50 АР - 47 PE - 50 TLE - 43 VALUES - 44 Find the standard deviation of the test scores Record your answer on the table below: SUBJECTS (x – X) (х — X)2 1 2 4 6. 7. 8. A. Mean : В. N: C. Variance : D. Standard Deviation : E. What does the result of your standard deviation mean?

Q: Solve for the range, variance, and standard deviation of this data: 40, 34, 50, 46, 47, 39. +Input…

A: We will find out all the required values.

Q: The variance of the data shown in the histogram is 232. Estimate how many standard deviations the…

A: Given the histogram as

Q: Imagine that you and four of your classmates have measured the density of air and recorded the…

A: Let X be an density of air kg/m3. Therefore, X=1.27,1.21,1.28,1.25,1.24 We have to find average,…

Q: How do you get the standard deviation if you have the variance? a. Take the reciprocal b. Take the…

A: Explanation:here asking how do you get the standard deviation  In the below stop 2 give the correct…

Q: Mary took 4 courses last semester: Calculus, Physics, Biology, and History. The means and standard…

A:

Q: Find  Variance and Standard deviation for the following data.  4,  4,  7,  11,  14.

A: Given sample xi is:  4, 4, 7, 11, 14  Sample size, n = 5   Sample mean can be calculated as:…

Q: For the set of scores 5,10,10,15,25 calulate the mean, median,mode,range variance, and standard…

A: We have given that data  5,10,10,15,25 Mean = sum of all observations/total number of observations…

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: Solve for the range, variance, and standard deviation of this data: 40, 34, 50, 46, 47, 39.

A: Given data set 40,34,50,46,47,39

Q: Q2. Find the standard deviation for the data: 5,10,7,12,0,20 7

A: We have to find the standard deviation for the data: 5,10,7,12,0,20

Q: Two students, Will and Tom, want to find out who scored relatively higher on a science midterm. The…

A: We have to find z score and Which student scored higher on the midterm when compared to their…

Q: Scores on a test have a mean of 6 and a standard deviation of 9. Michelle has a score of 57. Convert…

A:

Q: 20. For the data in the following sample: 10, 6, 8, 6, a. Find the mean and the standard deviation.…

A: 20. a. The mean of the sample is, x¯=∑ixin=10+6+8+6+55=355=7 Thus, the mean of the sample is 7. The…

Q: Which of the following can be thought of as the “average deviation”? a. Sum of Squares b. Variance…

A:

Q: a. the range b. the variance c. the standard deviation

A: The given frequency distribution is Class interval Frequency (f) Mid value (x) fx fx2 7-9 2 8…

Q: Jessica is working on some statistics for her employer.  She finds that the variance of the data she…

A: The variance of the data Person J is analysing is 81.

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: Calculate range, mean, variance, and standard deviation using the data on the number of injuries…

A: Arrange the data set in ascending order are.  0,0,0,1,1,1,2,2,3,4,4,5,8,9,11 Sample size n =15

Q: Find the deviations from the mean for the set of data: 26, 29, 22, 24, 24. Score 26 29 22 24 24…

A: Given Data is, 26,29,22,24,24 mean,x¯ =26+29+22+24+245=25

Q: In your two sets of Statistics tests, find the mean of the number of tests that will be passed. 1.…

A: Given: The provided dataset is given as: Number of passed test (x) Probability P(x) 0 0.25 1…

Q: Assume the test scores in your class are normally distributed with a mean of 84. You scored a 96,…

A: Given: mean = 84.

Q: for the set of scores 10 15 20 20 15 calculate the range variances and standard deviation by hand

A: Given that ; scores(x) ; 10 15 20 20 15 By using formula  Range = highest value - lowest value…

Q: elect ALL the ways that variation in the data can be measured below. A. The mean of the data B. The…

A: We have to find ways that variation in the data can be measured

Q: What is the relationship between the variance and the standard deviation for a sample data set? A.…

A: Variance: Variance is defined as a measure of variability to represent members of a group. The…

Q: The table below shows the grades of the 20 students of a martial arts class. There are three grades:…

A: It is required to identify the most suitable measure of variability appropriate for the given…

Q: unts how many meteors she se

A:

Q: Use the data 2, 3, 3, 6, 6, 7. Add 3 to each of the numbers. How does this affect the mean? How does…

A: Answer;- Given data  2, 3, 3, 6, 6, 7               Add 3 to each of the numbers.               How…

Q: The mean of an examination is 69, the median is 68, the mode is 67, and the standard devi. 3. The…

A: Given data, Mean=69 Median=68 Mode=67 Standard deviation=3   Variation Coefficient=?

Q: If a student scored 77 points on a test where the mean score was 84.5 and the standard deviation was…

A: Solution: Let X be the score of a student. From the given information, X has a mean µ=84.5 and a…

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

Q: For the following data in the sample:     0,    6,    8,    6,    5 Find the mean and the standard…

A: The data is given as 0, 6, 8, 6, 5.