# Statistics PreAssignment Test Coursework Example

- Category:
- Maths Statistics
- Level:
- College
- Type:
- GCSE
- Pages:
- 6
- Words:
- 1000

- Category:
- Maths Statistics
- Level:
- College
- Type:
- GCSE
- Pages:
- 6
- Words:
- 1000

Question 1
c) a population
A set of all possible data values for a subject under consideration is called ___.
descriptive statistics
a sample
a population
inferential statistics Question 2
c) The number of students in your school
Which of the following can be classified as Discrete and Quantitative data?
The acceleration of your car as you drive to school
The different colors of the eyes of your classmates
The number of students in your school
The height of all the people in your neighborhood Question 3
b) No
Can a frequency distribution have overlapping classes?
sometimes
No
Yes
Can’t determine I need more information Question 4
7.0
For a 10 point quiz, the professor recorded the following scores for 8 students:
7, 8, 3, 9, 10, 6, 8, 5
What is the Mean for this set of scores?
7.0
6.9
7.5
8.0
Question 5
a) (left) negatively skewed
What type of distribution is described by the following information?
Mean = 56 Median = 58.1 Mode = 63
(left) negatively skewed
Symmetrical (normal)
Bimodal
Right (positively) skewed Question 6
70 & 130
In a standardized IQ test, the mean score is 100 and the standard deviation is 15. According to the Empirical rule, 95 % of all those who took the test should have scores between
70 & 130
85 & 115
55 & 145
100 & 130 Question 7
88
A Statistics teacher has the following test scores: 93, 72, 80, 95, 90, 70, 91, 85, 86, 100 What is the median test score of these grades?
90
88
95
80 Question 8
1/6
There are 10 colored balls in a box (5 red, 3 blue, 2 green). What is the probability of picking out a red ball and then a blue ball (If I do not replace the red ball)?
1/6
½
3/20
4/5 Question 9
Has a negative linear correlation
Given the following scatter diagram, the sample correlation coefficient r:
Has a positive linear correlation
Has a negative linear correlation
Has a title or no correlation
Looks close to + 1.00
Question 10
150
If I go into...

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