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MATH 225 WEEK 3 TEST | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS | RATED 100% CORRECT.

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MATH 225 WEEK 3 TEST | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS | RATED 100% CORRECT.

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MATH 225 WEK 3 TST
Course
MATH 225 WEK 3 TST

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,
, MATH 225 WEEK 3 TEST | QUESTIONS
AND ANSWERS | 2026 UPDATE | WITH
COMPLETE SOLUTIONS | RATED 100%
CORRECT.



SECTION 1: MEASURES OF CENTRAL TENDENCY
(Questions 1-10)




Question 1
A grandfather wants to know the average height of all his grandchildren. He
finds that the heights of his 9 grandchildren are: 63, 65, 68, 64, 62, 66, 67,
61, 65. What is the population mean? Round to the nearest tenth.

A) 64.0
B) 64.6
C) 65.0
D) 65.5

Answer: B) 64.6

Rationale: The population mean is calculated by summing all values and
dividing by the number of values. Sum =
63+65+68+64+62+66+67+61+65 = 581. Number of values = 9. Mean =
581/9 = 64.56, which rounds to 64.6 inches .

Section: Measures of Central Tendency - Population Mean
Source: MATH 225N Week 3 Central Tendency Q&A
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  • math 225 week 3 questions and answers 202
  • math 225test questions and answers 202
  • week 3 test questions and answers 202
  • math 225 week 3 test questions and answers 202
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