Crest toothpaste is reviewing plans for its annual survey of toothpaste purchasers. Assume its market share last year was 25%, please calculate the sample size needed for this year’s survey given that the acceptable error is 3% and desired confidence level is 95%.

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

a - base

b - exponent

so,

the base is 8the exponent is 3the exponent tells you to multiply 8 together three timesthe expanded form is 8*8*8