What is the variance, In order to conduct testing of the

What is the variance

Reference no: EM13215882

Quality control is an important issue at ACME Company which manufactures 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 (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the variance?

Reference no: EM13215882

Questions Cloud

Calculate activity rates for each activity cost pool : Costs in the Machining cost pool are assigned to products based on machine-hours (MHs) and costs in the Setting Up cost pool are assigned to products based on the number of batches. Costs in the Other cost pool are not assigned to products.

Which statement is true : A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?

How much should it cost : The purchase price is $25 per tire if fewer than 200 tires are ordered, $16 per tire if 200 or more, but fewer than 8,000, tires are ordered, and $25 per tire if 8,000 or more tires are ordered.

What is the magnitude of the force : What is the magnitude of the force (in N) the second child must exert to keep the door from moving? Assume friction is negligible.

What is the variance : 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 (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the variance?

Calculate the exact number of protons : Then, calculate the exact number of protons and express the answer in scientific notation with the correct number of significant digits.

What is the magnitude of the net force on the motorcycle : a 250-kg motorcycle goes around an unbanked turn of radius 13.7m at a steady 96.5 km/h. What is the magnitude of the net force on the motorcycle?

What is the relative liability of individual and of company : Even though we may contract with a company or an organization to provide us with goods and services, we still most typically deal with an individual human being representing that organization. In the event of a problem with our purchase.

What are the critical values : A sample of 10 executives indicated that they spent an average of $11.30 with a sample standard deviation of 0.56 on lunch. Let = 0.05. What are the critical values?

User Account

All Pages