Refer to the accompanying data set and use the 30 screw lengths to construct a frequency distribution. Begin with a lower class limit of 3.220 in., and use a class width of 0.010 in. The screws were labeled as having a length of 3 1/4 in. E Click on icon to view the data. Complete the frequency distribution below. Length (in.) 3.220 Frequency (Tyne integers or decimals rounded to the nearest thousandth as needed

3. Three logs have been measured as being 10.87, 5.42, 7.6 feet in length. What is their average length to the nearest one foot?

A thermometer is taken from an inside room to the outside, where the air temperature is 30° F. After 1 minute the thermometer reads 80° F, and after 5 minutes it reads 55° F. What is the initial temperature of the inside room? (Round .your.answer.to.,two decimal places.) °F

Use the following n = 15 measurements to answer the questions. 52, 60, 57, 55, 57, 59, 53, 53, 61, 57, 59, 57, 55, 55, 57 Calculate x. (Round your answer to three decimal places.) X = Calculate m. m = Calculate the mode. (Enter your answers as a comma-separated list.)