3.Use the following values to answer the items below:

Many health professionals suggest that children younger than the age of three should take at least 2 naps per day The data below is from a sample of mothers with children younger than age three:

5, 3, 2, 5, 1, 3, 2, 5, 3, 2, 3, 3, 4, 4, 3, 3, 2, 5, 3, 3,

3, 2, 3, 1, 4, 3, 3, 2, 1, 4, 4, 3, 3, 3, 2, 1, 3, 2, 1, 2

a.Create a simple frequency distribution table.Include columns for frequency, proportion, cumulative frequency, and cumulative percent.

b.What is the N?

c.What is the mean?

d.What is the mode?

e.What is the percentile rank of X =2.5?Interpret this value in a sentence.

f.What is the P₉₀?

g.Is this graph symmetric or skewed (check the overall pattern)?

4.Answer each of the following:

a.A total of 3,200 pets were adopted in September.The relative frequency of dogs adopted was 0.4.Using a complete sentence, how many dogs were adopted?

b.In a study, participants' age is reported to be clustered at the higher end of the scale.What is the shape of this distribution?