For the following dataset calculate: (4 marks)
For the following dataset calculate: (4 marks) Σx Σx2 (Σx)2 (Σx)2 N Data: 6, 9,...
Use the following dataset of a small population (N=9). (4 marks) 71, 74, 76, 77, 78, 84, 86, 90, 93 Calculate and report: the mean the Sum of Squares the Variance the Standard Deviation
QUESTION 17 A population of N = 6 scores has ΣX = 24 and ΣX2 = 140. For this population, what is the value of SS? A. 6 B. 24 C. 44 D. 140 PLEASE SHOW WORK
Problem B: The following dataset is given: 4, 18, 18, 6, 15, 18, 9, 9, 20, 32 (8) Refer to Problem B. Calculate the median and the mode. (1) median = 16.5, and mode = 9 (3) median = 16.5, and mode = = 18 (2) median = 18, and mode = 18 (4) median = 18, and mode = 16.5 (9) Refer to Problem B. Assume that the dataset is a sample, not a population. Calculate the z-score for...
*ATTACHED DATASET ABOVE QUESTION*
The following data represent the length of life, in seconds, of 45 fruit flies subject to a new spray in a controlled laboratory experiment: 5 7 7 9 10 13 15 18 207 6 7 8 9 11 13 15 18 23 6 7 8 10 12 13 16 18 24 6 7 9 10 12 14 16 19 27 7 7 9 10 13 14 17 19 32 (Note: Dataset already sorted down the columns.)...
Calculate the Standard Error using the following information: ΣX i = 3.69 ΣX i2 = 820 n = 15 Round your answer to the nearest hundredth. (Place your answer in the box below)
1. Please use this dataset to answer the following questions: 4, 3, 6, 5, 3, 2, 4, 5, 7, 6, 3, 4, 6, 6, 1, 7, 8, 8, 23, 4, 0, 2, 6, 9, 6, 1, 5, 7, 4, 5 (1) Please calculate mean, median and mode. (2) Please calculate sample standard deviation. (3) According to your answer in part (2), please explain why sample standard deviation can never be negative. (4) Please calculate first quartile, second quartile, and third...
Considering the following dataset: X: 1 2 3 4 5 6 7 8 -------------------------------------------------------------------------------------------------- Y: 2 1 4 8 11 11 12 21 A) Use the formulae discussed in class to compute a and b for Y = a + bX, and the value for R-Squared. Show all work. B) Use Minitab to create a Fitted Line Plot for the same data. Discuss any similarities or differences between your output in part 1 and the output of Minitab.
Find the correlation for the following dataset: x 10 8 13 9 11 14 6 4 12 7 5 y 7.46 6.77 12.74 7.11 7.81 8.84 6.08 5.39 8.15 6.42 5.73 I. 0.856 II. 0.502 III. 0.816 IV. 0.742
(9 marks) 6) The data below shows the mass of 40 students in class. The measurement is the nearest kg. 55 70 57 73 55 64 60 48 59 72 58 54 69 51 63 78 75 64 65 57 71 78 76 62 66 62 61 53 67 49 76 63 63 76 52 76 71 61 56 71 A) Construct a frequency distribution table with 7 classes for the data given above? B) Draw the histogram for the...
> Question 8 5 pts The following set of data is from a sample of n=6. 7, 10, 9, 7, 8, 12 a. Compute the mean, median, and standard deviation. (Round to two decimal places as needed.) b. What is the shape of the dataset? Why? Upload Choose a file