As there are many questions I will write down the answer corresponding to each subquestion
a. 3- deviation
b. 1- correlation
c. 12- variance
d. 4-Mean
e. 7-range
f. 8- residual
g. 10- standard deviation
h. 9- sample size
Matching.. 1 correlation 2.covariance 3. deviation 4.mean 5. median 6. mode 7. range 8. residual 9....
Report the mean, mode, median, range, variance, and standard deviation 6, 9, 9, 10, 8, 9, 4, 7, 10, 9, 5, 8, 10, 6, 9, 6, 8, 8, 7, 9 Mean: 157/20=7.85 Median: 4, 5, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10 8+8=16/2= 8 Range: 10-4 = 6 Mode: 9 Sd: ? Based on your answer to part b, which is the most appropriate indicator of central tendency to...
Calculate the mean, median, mode, range and standard deviation of the data: -5, -3, -3, 4,9 a) mean 1.8, median-3, mode 3, range 14, standard deviation 5.7 b) mean 0.4, median 4, mode--5, range 15, standard deviation 5.9 c) mean-1.8, median--5, mode--3, range 13, standard deviation 5.7 d) mean 0.4, median-3, mode3, range 14, standard deviation 5.9 e) None of the above Question 9 Calculate the mean, median, mode, range and standard deviation of the data: -120, -45, -45, 14,...
Data Set: 6, 1, 4, 2, 3, 4, 6, 8, 9 a. Calculate the mean, median, mode, range, variance and standard deviation (using either formula). b. Compare the two groups in terms of central tendency and variability. What conclusions can you draw from the data in regards to average number of time a student posted, variability of postings, etc?
14. For a negatively skewed distribution with a mode of X-25 and a median of 20, the mean is probably a greater than 25 b. less than 20 c. between 20 and 25 d. cannot be determined from the information given 15. A distribution is positively skewed. Which of the most probable order for the three measures of central tendency? a mean - 40, median - 50, mode - 60 b. mean-60, median - 50, mode - 40 c. mean...
1. You are given the following sample of scores: 5, 6, 7, 8, 9, 9, 10, 10, 11, 25 (a) For the sample above, calculate (show all of your work): (i) the mean (ii) the median (iii) the mode (iv) the variance (v) the standard deviation (vi) What do the variance and standard deviation represent? (b) Which raw score in the above sample most closely corresponds to a z-score of –0.7? (c) If Dr. Jones states that the mean is...
Find the mean, mode, median, variance, Standard Deviation, and range of the following data: 1 4 2 2 5 1 3 6 3 4 7 4 5 8 1
x 7 10 8 4 3 y 8 11 9 5 4 a. Calculate the covariance between the variables. (Negative value should be indicated by a minus sign. Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.) b-1. Calculate the correlation coefficient. (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.) b-2. Interpret the correlation coefficient. There is _____ no, a weak negative, a weak positive, a strong...
please answer all question (2-5) thanks
Question 2 1 pts As the number of hours a student studies increases, the number of errors made on the exam decreases. There is a strong relationship between these variables. Select the value for the pearson correlation (r) that would be appropriate 0-0.7 0-0.4 o 0.6 o 1.0 Question 3 1 pts The following APA summary was reported for a one-sample t-test (two-tailed, alpha = .05). t(15) = 3.3, p = .003 Which of...
(2) Consider the sample: 9, 6. 7, 9, 10, 8 a) Find: the mean, the median, the mode b) Find: the range, the quartiles Q1, Q3, the variance, the standard deviation c) Draw a box-plot for the given data set.