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 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.

A lawn care business is reviewing the number of lawns they mowed during the last 14 weeks. The data is asfollows: 41, 36, 20, 28, 30, 24, 24, 31, 22, 34, 25, 27, 27, 25a) Create a frequency table using 20 – 24 as the first interval.b) Draw a histogram of the frequency table.c) Describe the shape of the data set (distribution)

A waitress kept track of whether her customers ordered an appetizer and dessert. Her data are shown in a relative frequency table.  Appetizer No appetizer TotalDessert 0.1 0.3 0.4No dessert 0.2 0.4 0.6Total 0.3 0.7 1.0What does the 0.3 in the highlighted cell mean?A.30% of the customers who ordered dessert did not order an appetizer.B.30% of her customers did not order an appetizer.C.30% of her customers ordered dessert.D.30% of her customers ordered dessert but no appetizer.SUBMITarrow_backPREVIOUS

3. The numbers of people travelling on a certain bus at different times of the day are has follows. 17 5 2 23 16 31 8 22 14 25 35 17 27 12 6 23 19 21 23 8 26 (i) Draw a frequency distribution table to illustrate the information given above. Use intervals 00-04, 05-09; 10-14, 15-19, ... [15 marks] (ii) Find the median, [10 marks] (iii) the lower quartile, [10 marks] (iv) the upper quartile, [10 marks] (v) and the interquartile range

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