This document contains 90 Multiple Choice Questions & Answers from completed quizzes with highlighted answers. It includes complete answers and guidelines for the IOP2601 Assessment 1 due 15 August 2023. TRUSTED & QUALITY SOLUTIONS. All quizzes were completed on the 12th of August 2023.
This document contains 90 Multiple Choice Questions & Answers from completed quizzes
with highlighed answers.
NB: All correct answers are highlighted in yellow.
If you need further assistance, please refer to the bottom of this document.
Example Question & Answer:
Use the data sets below to answer the question that follows.
X: 33 26 31 19 ; Y: 22 20 15 10
What is the (ƩX)²?
A. 3087
B. 11881. This is because (ΣX)2 = (33 + 26 + 31 + 19)2 = (109) 2 = 11881
C. 109
D. 67
, Question 1
The _____ is the middle score in a ranked distribution of scores.
A. mode
B. mean.
C. range
D. median. Page 44 S.G.
Question 2
Study the four graphs below, and then answer the question that follows.
Which one of the graphs is positively skewed and unimodal?
A. The graph on top right.
B. The graph on top left.
C. The graph on bottom right.
D. The graph on bottom left. Page 39 S.G.
Question 3
Use the data sets below to answer the question that follows.
X: 33 26 31 19 ; Y: 22 20 15 10
A notation ƩY² refers to __________.
A. (67)2
B. (22)2 + (20)2 + (15)2 + (10)2. ΣY2 = (22)2 + (20)2 + (15)2 + (10)2
C. 22+20+15+10
D. (22+20+15+10) x 2
Question 4
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