Find and so that the following ordered data set has a mean of 42 and a median of 35 : 17, 22, 26, 29, 34, , 42, 67, 70,
Tap an option to check your answer.
2 marks, −1StatisticsDescriptive statistics and dispersionRobustness, standardisation and recovering summary measuresModerateabout 2 min
JNU SIS 2017 Question 49: Descriptive statistics and dispersion
Answer and worked solution
Checking your account…
Plain-text version
Find x and y so that the following ordered data set has a mean of 42 and a median of 35: 17, 22, 26, 29, 34, x, 42, 67, 70, y (A) x = 35, y = 71 (B) x = 36, y = 77 (C) x = 38, y = 71 (D) x = 36, y = 72
Descriptive statistics and dispersion has come up 117 times in 6 exams since 2004.
What this question tests
This question is on Robustness, standardisation and recovering summary measures, part of Descriptive statistics and dispersion in Statistics.
How summary measures react to outliers and corrections, and working backwards from them.
TestStop has 11 past-paper questions on this subtopic.
Similar questions from other papers
- The coefficient of variation is a relative measure of variability. It measures the _ to the _.
- If kurtosis is defined as (m₄/σ⁴-3), where m₄ is the 4^(th) order central moment and σ is the standard deviation, then its value is positive for
- If Mode is 11, Mean 8, the difference of the two Quartiles is 8 and the sum of the two Quartiles is 22, then the Coefficient of Skewness will be: A. +0.5 B. -0.5 C.…
- What is the geometric mean of 2, 4 and 8?
- For a positively skewed frequency distribution,.
Question from the JNU SIS 2017 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.