In the distribution presented in item #29 (above), what percentage of observations had scores of 32 or less?

Presented below are descriptive statistics from a quiz administered in four classes. In which class are the scores the most similar to each other?

What type of fossilization is represented here:   

As waves approach the shore, they begin to “feel” the seafloor at about ______ their wavelength. 

The SOS company bought equipment for $300,000 at the beginning of an accounting year (01/02/2010). The equipment is depreciated to a residual value of $50,000 using straight-line depreciation.  The depreciation life of the equipment is 5 years. The equipment is sold in 2 years and 4 months for $20,000. The accounting period is one year.  Enter answers to the nearest whole number — no decimal places or “$” signs.  Complete journal entries to record sale on 03/31/2012. Enter “NR” if loss is zero or “NR” if gain is zero. Description Description Debit Credit Cash [a] Accumulated Depreciation  [b] Loss [c] Gain [d] Equipment [e]  

What two numbers, not needed to calculate a correlation coefficient, must be calculated to produce the equation for a linear regression?

An example of a variable measured on a ratio scale is

What differentiates ordinal from interval scales?

Which temperature profile curves on the graphs were most likely generated from analysis of an enzyme from a bacteria found in the hot geysers of Yellow Stone national park? And which pH curve is likely generated from a living cell that has high concentration of hydroxide ions.    

Which research question should be answered by computing a correlation coefficient?