Eighty randomly selected batteries were tested to determine their lifetimes (in hours). The following frequency distribution was
Question:
Class boundaries Frequency
62.5–73.5..........5
73.5–84.5 .........14
84.5–95.5 .........18
95.5–106.5.........25
106.5–117.5..........12
117.5–128.5.........6
Can it be concluded that the lifetimes of these brands of batteries are consistent?
Find the variance and standard deviation.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
X m f f X m f X 2 m 68 5 340 23120 79 14 ...View the full answer
Answered By
Felix Mucee
I am a detailed and thorough professional writer with 5 years of administrative experience- the last 2 years in academic writing and virtual office environment. I specialize in delivering quality services with respect to strict deadlines and high expectations. I am equipped with a dedicated home office complete with a computer, copier/scanner/fax and color printer.
I provide creative and detailed administrative, web search, academic writing, data entry, Personal assistant, Content writing, Translation, Academic writing, editing and proofreading services. I excel at working under tight deadlines with strict expectations. I possess the self-discipline and time management skills necessary to have served as an academic writer for the past five years. I can bring value to your business and help solve your administrative assistant issues.
13+ Reviews
33+ Question Solved
Related Book For 
Question Posted:
