10th All Chapters 1 - 18 / Full Complete
12 - ANSWERSIn a population of N = 10 scores, the smallest score is X = 8 and the largest score is
X = 20. Using the concept of real limits, what is the range for this population?
A) 11
B) 12
C) 13
D) 20
A) 20 - ANSWERSA population of N = 5 scores has ΣX = 20 and ΣX2 = 100. For this population,
what
is the value of SS (sum of squared deviations)?
A) 20
B) 80
C) 100
D) 380
C) 30 - ANSWERSA population of N = 6 scores has ΣX = 12 and ΣX2 = 54. For this population,
what is
the value of SS (sum of squared deviations)?
A) 5
B) 9
C) 30
D) 54
C) σ - ANSWERSWhich of the following symbols identifies the population standard deviation?
,A) s
B) s^2
C) σ
D) σ^2
D) 16 - ANSWERS. A population of N = 100 scores has mean µ = 30 and standard deviation σ = 4.
What
is the population variance?
A) 2
B) 4
C) 8
D) 16
A) 4 - ANSWERS. The value of SS (sum of squared deviations) is 20 for a population of N = 5
scores.
What is the variance for this population?
A) 4
B) 5
C) 80
D) 100
C) 1.5 - ANSWERSWhat is the variance for the following population of scores? Scores: 5, 2, 5, 4
A) 6
B) 2
C) 1.5
D) 1.22
, A) SS = 18; variance = 6 - ANSWERSWhat are the values for SS and variance for the following
sample of n = 3 scores?
Sample: 1, 4, 7
A) SS = 18; variance = 6
B) SS = 18; variance = 9
C) SS = 66; variance = 22
D) SS = 66; variance = 33
B) between 4 and 11 - ANSWERSFor a particular sample size of n = 10 scores, the largest
distance (deviation)
between a score and the mean is 11 points. The smallest distance (deviation)
between a score and the mean is 4 points. Therefore, the standard deviation will be
_____.
A) less than 4
B) between 4 and 11
C) greater than 11
D) equal to 0
C) 15 - ANSWERSFor a sample of n = 16 scores, how many scores are used to calculate the
sample
variance?
A) 2
B) 8
C) 15
D) 16
B) s^2 - ANSWERSWhich of the following symbols identifies the sample variance?