Multiple Choice
Quality control is an important issue at ACME Company which manufacturers light bulbs. In order to conduct testing of the life hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted.
378, 361, 350, 375, 200, 391, 375, 368, 321
-What are the outer fences?
A) 274.0,438.0
B) 275.0,450.0
C) 397.0,438.0
D) 458.5,499.5
E) 61.5,123.0
Correct Answer:

Verified
Correct Answer:
Verified
Q37: Find the z-score for an IQ test
Q77: Determine the median of the data 2,4,6,8,10,12,14.
Q79: In a survey of 550 randomly-selected
Q80: The values given below are snow depths
Q82: The reaction time (in seconds) to a
Q83: Which percentile describes the first quartile,Q1?<br>A)25<sup>th</sup><br>B)50<sup>th</sup><br>C)75<sup>th</sup><br>D)100<sup>th</sup><br>E)125<sup>th</sup>
Q84: The reaction time (in seconds) to a
Q85: If a population distribution is positively skewed
Q86: Which percentile describes the third quartile,Q3?<br>A)25<sup>th</sup><br>B)50<sup>th</sup><br>C)75<sup>th</sup><br>D)100<sup>th</sup><br>E)125<sup>th</sup>
Q104: Find the z-score for an IQ test