Help me please !!? The frequency table for daily sales of 100 a sale unit is given below:
daily sales
10 - 19
20 - 29
30 – 39
40 - 49
50 - 59
60 - 70

No. sale unit
4
15
27
26
18
10

a) Construct a histogram, polygon of daily sales
b) Describe the shape of the frequency distribution.
c) Draw an ogive of daily sales, and use it to estimate, the median.
e) Estimate the following statistical measures
1. Mean
2. Median
3. Mode
4. Range
5. 15th percentile
6. Interquartile Range
7. Variance
8. Standard deviation
9. Coefficient of variation