Each person who applies for an assembly job at Robert's Electronics is given a mechanical aptitude test. One part of the test involves assembling a plug-in unit based on numbered instructions. A sample of the length of time it took 42 persons to assemble the unit was organized into the following frequency distribution. What is the standard deviation (in minutes) ?
A) 3.89
B) 6.01
C) 8.78
D) 17.00
Correct Answer:
Verified
Q56: The following are the weekly amounts of
Q57: For the past week,a company's common stock
Q58: Based on the Empirical rule,what percent of
Q59: If the variance of the "number of
Q60: A sample of wires coming off the
Q62: The number of students at a local
Q63: Production of passenger cars in Japan increased
Q64: Consider two populations with the same mean.
Q65: The net annual sales of a sample
Q66: When computing the arithmetic mean,the smallest value
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents