11) When calculating the mean, the symbol E indicates dividing the scores by the total number...
In a two-way ANOVA, mean squares are obtained by dividing each sum of squares by: a) the total number of scores minus one. b) its associated degrees of freedom. c) the total number of scores. d) the number of different cells.
3. The sampling distribution of the mean and the sampling distribution of the variance (when dividing SS by n - 1) A) are both unbiased estimators B) both follow the central limit theorem C) are both associated with minimal variance D) A and C E) A, B and C
The mean in a data set is obtained by: a. calculating the coefficient of variation of the observed values in the data set. b. selecting the value/s in the data set with the highest frequency. c. adding all of the observation values in the data set and dividing the total by the number of observations. d. arranging the observations in ascending or descending order, then selecting the middle value. e. calculating the difference between the largest and smallest values in...
10. Calculating the mean, median, and mode when scores are changedor removed Consider the following sample set of scores. Assume these scores are from a discrete distribution. 1 22 40 45 45 52 60 69 81 94 For the given data, the mean is , the median is ▼ , and the mode is Suppose the score 1 in the data is mistakenly recorded as 21 instead of 1. For the sample with this error, the mean is the median...
The t portion of a chronometric date indicates a. the total number of samples used. b. the number of different techniques used. one standard deviation confidence intervals for the mean date obtained from the samples. d. all of these none of these C. e.
A chi-square is calculated by dividing the total number of _______ by the number of _______. a. occurrences; categories b. occurrences; observations c. categories; occurrences d. observations; occurrences
1) Excel's _____________ can be used to construct a frequency distribution for quantitative data. a) COUNTIF function b) AVERAGE function c) FREQUENCEY function d) none of these answers is correct e) SUM function 2) Excel's ______________ can be used to construct a frequency distribution for qualitative data. a) Pivot Table report b) COUNTIF function C) chart wizard d) SUM function e) none of these answers is correct 3) The relative frequency of a class is computed by a) None of...
8) The following numbers represent quiz scores for 15 students. What is the mean score? (Enter your answer rounded to the tenths place, e.g. enter 8.3 instead of 8. Do not include units.) 4,5,5,6,7,7,7,8,8,8,9,9,9,9,10 Answer: For the distribution of quiz scores above, what is the median quiz score? Answer: 9) 10) Which of the following statements is always true? a). Half of the data is above the mean and half of the data is below the mean b). There are...
The five-number summary for scores on a statistics exam is 11, 35, 61, 70, 79. In all, 380 students took the test. About how many had scores between 35 and 61?(a) 36(b) 76(c) 95(d) 190(e) none of these
What is the total number of scores (N) for the distribution shown in the following table? X ,f _______ 4, 3 3 ,5 2,4 1 ,2 A. 37 B. 4 C. 10 D. 14 PLEASE SHOW WORK