What are the serious mistakes that are made

Reference no: EM131013082

When you are setting up a hypothesis test based on some claim, why is it absolutely necessary that the level of significance, alpha, be set early and upfront before any calculations are made? What are the serious mistakes that are made if not done in this order?

Reference no: EM131013082

Questions Cloud

Calculate magnitude and direction of the horizontal force : A 90 degree bend occurs in a 0.3 m horizontal pipe in which the pressure is 276 kPa. Calculate the magnitude and direction of the horizontal force on the bend when 0.28 m^3/s of water flow therein.

Inflation and interest rates : What would you expect the nominal rate of interest to be if the real rate is 3.8 percent and the expected inflation rate is 7.3 percent? The nominal rate of interest would be []%. (Round to Iwo decimal places.)

Calculate magnitude and direction of the total force on bend : A 6-in. horizontal pipe line bends through 90 dgree and while bending changes its diameter to 3 in. The pressure in the 6-in. pipe is 30 psi , and the direction of flow is from larger to smaller. Calculate the magnitude and direction of the total ..

Describe in plain english what is the radius of gyration : Describe in plain English what the radius of gyration is. State the definition of an improper integral a∫∞ f (x)dx. Let F'(x) = f (x). In R3 (3-space), what does z usually represent?

What are the serious mistakes that are made : When you are setting up a hypothesis test based on some claim, why is it absolutely necessary that the level of significance, alpha, be set early and upfront before any calculations are made? What are the serious mistakes that are made

Determine the vertical reaction at each roller of the stand : The 480-lb V-8 engine is supported on an engine stand and rotated 90 degrees from its upright position so that its center of gravity G is in the position shown. Determine the vertical reaction at each roller of the stand. Neglect the weight of the..

How large a sample of visitors should be selected : Investors at a theme park would like to estimate the unknown proportion (p) of visitors who have visited the theme park in the past five years. They would like to be 90% confident of achieving an accuracy of at least 0.04. How large a sample of vi..

Write the appropriate null and alternative hypotheses : For the following scenarios, write the appropriate null and alternative hypotheses. Use the appropriate symbols (Ho, Ha, μ, p). Is the mean age of University Park freshman less than 20 years

Determine the maximum stress in the beam : A 280 KN.m couple is applied to a wooden beam, of rectangular cross section 38mm by 90mm ,in a plane forming an angle of 30 degree with the vertical, determine the maximum stress in the beam.

User Account

All Pages