A set of data consists of 38 observations. How many classes would you recommend for the frequency distribution?Â A set of data consists of 45 observations between $0 and $29. What size would you recommend for the class interval?Â A set of data consists of 230 observations between $235 and $567. What class interval would you recommend?Â A set of data contains 53 observations. The lowest value is 42 and the largest is 129. The data are to be organized into a frequency distribution.
a. How many classes would you suggest?
b. What would you suggest as the lower limit of the first class?