The grouped frequency table shows the number of people by age at a Gold Coast resort.a Copy and complete the table by finding the class centre and fx column.b How many people stayed at the Gold Coast resort?c Find the mean of this data. Answer correct to the nearest whole number.

Find the mean of the following frequency table (upto two places of decimal).CONFIRM

3. (08.03)A restaurant manager recorded the number of people in different age groups who attended her food festival:Which of the following frequency tables represents the data in the histogram accurately? (3 points)Age Group (year) Number of People0-192020-396040-594060-7950Age Group (year) Number of People0-192020-396040-595060-7940Age Group (year) Number of People0-192020-394040-596060-7950Age Group (year) Number of People0-196020-392040-594060-7950

The marks obtained by a set of students in an exam are recorded in a grouped frequency table.The maximum number of students are found to be in the range of (70-80) marks.If the number of students in the ranges before and after the (70-80) range are equal, which ofthe following is the mode of the data?A) 70 marksB) 75 marksC) 80 marksD) (mode cannot be found as frequency is not given

Find the mean for the following frequency tables. (Round your answers to one decimal place.)(a)         Grade Frequency49.5–59.5 259.5–69.5 369.5–79.5 979.5–89.5 1489.5–99.5 5 (b)         Daily Low Temperature Frequency49.5–59.5 5159.5–69.5 3269.5–79.5 1579.5–89.5 189.5–99.5 0 (c)         Points per Game Frequency49.5–59.5 1459.5–69.5 3269.5–79.5 1579.5–89.5 2389.5–99.5 2

For the population of scores shown in the frequency distribution table, the mean is ____.​​X         f5          24          13          32          21          2