The level of cleaning for each shirt is recorded on a scale

Assignment Help Basic Statistics

Reference no: EM13601556

A consumer group decides to test the effectiveness of a new "organic" laundry detergent. They intentionally get grass stains on a sample of 60 white T-shirts in order to see how well the detergent will clean them. Each shirt is randomly assigned to one of three water temperatures ( cold, warm or hot), and one of two wash cycles ( regular or delicate). The level of cleaning for each shirt is recorded on a scale from one to ten; the person evaluating the cleaning level is unaware of the treatment used on the shirt. The average cleaning level for each treatment group is calculated.

Identify the following for the experiment:

A. 1) Explanatory variables

2) Response variable

3) Number of treatments

4) The experiment units are:

B. The average cleaning level is a Parameter or Statistic ?

C. Is blinding used in the experiment? (Explain the reason for using blinding in a n experiment)

Reference no: EM13601556

Questions Cloud

Compute the net present value of the investmentcompute the : bryant company has obtained the following data about a possible planned investment cost 270000 terminal salvage value

Identify the data sets level of measurements levels of : identify the data sets level of measurements.levels of measurements nomial names labels categories ect. ordinal

A geothermal power plant uses geothermal water extracted at : question a geothermal power plant uses geothermal water extracted at 160oc at a rate of 440 kgs as the heat source and

All assets are depreciated by the straight-line method : jerry grant the new controller of blackburn company has reviewed the expected useful lives and salvage values of

The level of cleaning for each shirt is recorded on a scale : a consumer group decides to test the effectiveness of a new organic laundry detergent. they intentionally get grass

I5-35 sale of property received as a gift during the : i5-35 sale of property received as a gift. during the current year stan sells a tract of land for 800000. the property

A 25g bullet pierces a sand bag 27cm thick if the initial : a 25g bullet pierces a sand bag 27cm thick. if the initial bullet velocity was 64 ms and it emerged from the sandbag

Blt produces plastic that is used for injection molding : blt produces plastic that is used for injection molding applications such as gears for small motors. in 2012 the first

Tracy owns a nondepreciable capital asset held for : tracy owns a nondepreciable capital asset held for investment. the asset was purchased for 250000 six years earlier and

User Account

All Pages