3.What is the level of measure for each of the following:
a)Final grades in this class _____________________b)Weights of newborn babies_____________________c)Seasons of the year_____________________d)Boiling temperatures of different liquids_____________________
4.
Determine type of sampling used:

5.I collected radon samples from basements in my neighborhood and obtained the following:Radon in cPiFrequency2-526-9210-13614-1715Identify class width______________________Identify class midpoints______________________Identify class boundaries______________________Create a histogram for these data.

6.Create a scatterplot of car weights and braking distance using the data below. Based on the result, does there appear to be a relationship between weight of a car and its braking distance?Weight (lb)403531154115365035654030Braking Distance (ft)131136129127146146

7.The weekly salaries for teachers of the different grades at my school are as follows:KindergartenFirstSecondThirdFourthFifth7746491210546431612Calculate the standard deviation. Do the different grades have much variation in salary?8.A simple random sample of pages of my dictionary was collected. These are the number of words defined on each page. Find the mean, median, mode, and midrange.51 63 36 43 34 62 73 39 53 79There are 1459 pages. Estimate the total number of words in the dictionary. Is the estimate likely to be an accurate estimate of the total number of words in the English language?9.I had 10 students last term who earned the following grades:

98 85 89 73 76 85 87 92 85 56Find the first quartile: ________________Find the median:________________Find the third quartile:________________Find the interquartile:_________________