- CFA Exams
- CFA Level I Exam
- Study Session 2. Quantitative Methods (1)
- Reading 7. Statistical Concepts and Market Returns
- Subject 4. Measures of Center Tendency

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**CFA Practice Question**

Find the measures of central tendencies (mean, median, mode) for the following lengths of operating times (in months) of 15 randomly selected car batteries: 18, 21, 22, 22, 23, 23, 23, 25, 25, 26, 27, 30, 30, 31, 32.

B. 25.2, 23, 25

C. 25.2, 25, 23

A. 23, 25, 32

B. 25.2, 23, 25

C. 25.2, 25, 23

Correct Answer: C

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**User Contributed Comments**
9

User |
Comment |
---|---|

zuke |
Always find the mode first as it is the easiest to spot. |

rainatt |
useful tip! |

surob |
I did find a mode and it helped to exclude all calculations. |

8thlegend |
wasted another 10 mins of my life by doing all calculation instead of looking for mode |

quichoad |
LOL @ 8thlegend |

gulfa99 |
well done legend..atleast u got the answer right :) |

2014 |
what if mode is placed first in answer sequene but last in question. Do we would get such type of question. |

abs013 |
Did the same thing look for the mode lol. How can we solve this with the calculator? |

choas69 |
was trying to check if 2nd insert data 2nd stat will show mode and median too but it only shows the mean, dont waste your time. |