Karty pracyStandard Deviation Practice
Łączna liczba pytań: 15
What is the standard deviation for the data given:
{5, 10, 7, 12, 0, 20, 15, 22, 8, 2}
6.89
10.1
7.26
9
What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}
293.67
15.87
17.14
41.98
The data sets show the test scores of a group for the last two tests.
Test 1: {75, 75, 85, 80, 65, 70, 65} Test 2: {95, 85, 85, 90, 90, 95, 100}
Which data set had the SMALLER standard deviation?
Test 1 with a standard deviation of 6.9
Test 2 with a standard deviation of 6.9
Test 1 with a standard deviation of 5.2
Test 2 with a standard deviation of 5.2
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?
0.53
0.41
0.35
0.22
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
What is the variance of the sample data set?
72
21.4
533.67
395.7
Given a variance of 64, what is the standard deviation?
8
4096
0
6.8
The mass in kg of a sample of beams was taken and the results were 5.2, 5.2, 5.3, 5.6, 5.7. What is the standard error of the mean?
0.01 kg
0.09 kg
-0.01 kg
-0.09 kg
What is the standard deviation of the data?
0.88 cm
0.90 cm
0.94 cm
1.02 cm
What is the standard deviation of the data?
0.01 g
1.00 g
1.03 g
10.5 g
Klucz odpowiedziStandard Deviation Practice
Łączna liczba pytań: 15
6.89
15.87
Test 2 with a standard deviation of 5.2
0.53
533.67
8
0.09 kg
0.94 cm
1.03 g
