9	5	21	14	64	30	15	12
18	22	13	53	60	55	12	6
32	45	17	14	12	28	30	10

1. Construct the frequency table showing all the steps assuming that the number of classes is 4

2. Find the median with explanation

3. Plot the histogram using excel

Question 2

Day in March	Temperature C	Humidity %	Rainfall mm
1	-5	7	2
2	-4	8	1.8
3	-4	7	3.1
4	-4	8	2.3
5	-4	5	2.5
6	-5	24	1.7
7	-5	20	1.7
8	-5	13	1.3
9	-4	11	1.2
10	-3	24	1.4
11	-3	33	2.1
12	-3	17	2.2
13	-2	33	1.3
14	-2	12	1.4
15	-2	15	2.7
16	-2	15	1.9
17	-3	24	1.1
18	-3	20	1.6
19	-2	22	2.0
20	-2	23	2.4
21	-2	22	2.2
22	-3	15	2.1
23	-3	16	1.3
24	-2	17	2.7
25	-2	17	1.4
26	-1	10	1.3
27	-2	22	1.1
28	-2	24	0.7
29	-1	20	1.0
30	0	20	0.9
31	1	22	1.7

1. Draw bar chart of rainfall rates using the Excel program
2. Find the three measures of dispersion for temperature

Note: Please answer all the questions. The answer must be computer typed please.