Is variance of sales before announcement of increasing price

Reference no: EM13134925

The following data represent sales at dealerships of company before and after the company increases product price.

Before: 329 234 423 328 400 399 326 452 541 680 456 220
After : 212 630 276 112 872 788 345 544 110 129 776

Do you believe that the variance of sales before announcement of increasing price is equal to variance of sales after announcement?

Reference no: EM13134925

Questions Cloud

Amortization expense for the current year : What is Bethany' amortization expense for the current year, rounded to the nearest whole dollar?

What is the vapor pressure of this solution : At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?

Explain electrolysis - aluminium extraction : Electrolysis - Aluminium extraction, a. Aluminium is extracted from its ore by an electrolytic process. One extraction plant uses an applied e.m.f. of 5 V, and a current of 225 000 A. One tonne of aluminium is extracted after 14 hours.

Determine the administrative costs calculated to each : Scudder company has two operating departments: mixing and forming. Mixing has 240 employees and occupies 22,000 ft². Forming has 80 employees and occupies 18,000 ft².

Is variance of sales before announcement of increasing price : Do you believe that the variance of sales before announcement of increasing price is equal to variance of sales after announcement?

Volume of solid revolution by shell method : Using the shell method to find the volume of a solid revolving about line x = 2 by the region bounded by y=x^3 +x +1, y=1 and x=1.

Determine the amount of heat absorbed by the water : when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .

Pension plan at the beginning of current fiscal year : Iota Co. initiated a defined benefit pension plan at the beginning of the current fiscal year. Prior service cost was $240,000, of which $80,000 was amortized, and service cost was $60,000.

Find mean and standard deviation for the random variable : Let the random variable x represent the number that are not correctly calibrated. Find the mean and standard deviation for the random variable x.

User Account

All Pages