MATH 534 Course Project Altogether Part A, B, C

1. Determine if each of the following represents nominal, ordinal, interval, or ratio data. 2. The following numbers represent the weights in pounds of six 7- year old children in Mrs. Jones' 2nd grade class. {25, 60, 51, 47, 49, 45} 3. If the variance is 846, what is the standard deviation? 4. If we have the following data 5. What type of sampling technique is (a) a wheat field is divided into sections and a random sample of stocks are taken from each section, and (b) a manufacturer measures every 80th bottle to test for quality? 6. If a data set with a normal distribution has a mean of 32 and a standard deviation of 4.9, what percent of the data would you expect to find between 27.1 and 36.9? What range encompasses 99.7% of these data?