In a certain investigation, 460 persons were involved in the study, and based on an enquiry on their age, it was known that 75% of them were 22 or more years. The following frequency distribution shows the age composition of the persons under study. Find the mean and modal life of condensers. Mid age in years 13 18 23 28 33 38 43 48 No. of persons 24 90 122 56 20 33

Listed to the right are the selling prices (in thousands of dollars) for a sample of 19 lakeside lots in Pinnacle Peak, a vacation home community in the Blue Ridge mountains. 86 61 148 81   39 142 140 65   28 85 90 92   25 50 85 85   82 120 137 Determine the following: a. the first quartile  b. the third quartile c. the median

TABLE 2: San Pedro Participant Height (inches) Weight (pounds) 1 66 240 2 72 190 3 61 250 4 44 120 5 65 222 The above tables include data from a sample of city employees in San Pedro. Use the table to answer the following question. What is the mean height? 0 0 = 61.2 x= 61.8 x= 61.6 = 61.6

The following data said shows the bank account balance for a random sample of 17 IRSC students.  Round solution to two decimal places if necessary. What is the mean of this data set? Mean= What is the median of this data set? Median= What is the mode of this data set if no modes exist type DNE. if multiple modes exist enter the values in a comma separated lists Mode=