Warning: Undefined array key 1 in /home/acaproso/public_html/._System/._Template/.Main.php on line 118
Application of statistics in geography questions

Application of statistics in geography questions | form five Geography

Find Application of statistics in geography examination questions, form five Geography in acaproso.com

# Question
1

Describe four types of sampling techniques.


Short answers
2

Outline four importance of sampling.


Short answers
3

Study carefully the following hypothetical data and answer the questions that follow. Cash crop production in Moshi district from 1972 to 1976 (in `000 tones)

CROP/YEAR 1972 1973 1974 1975 1976
Coffee 4000 3000 1500 3000 2500
Pyrethrum 1500 2000 1000 2500 1000
Sisal 1000 1500 500 2000 500
  1. Draw a comparative bar graph to represent the data given.
  2. Describe the merits and demerits of comparative bar graph.

Long answers
4

The following hypothetical data show the land use by percentage of the total area in six districts of Tanzania by 1975.

District Area (`000 km2) LAND USE (Percentage of total area 1995)
Arable Pasture Playground Forest
Kilosa 250 50 25 05 20
Magu 180 35 35 18 12
Songea 120 70 - 25 05
Wete 60 80 02 10 08
Nkasi 20 65 10 20 05
Masasi 20 20 70 10 -
  1. Present the data by Compound Divided Rectangles.
  2. What are the merits and demerits of the method in (a) above? (Write three merits and demerits).

Long answers
5

Carefully study the following table which shows the average number of people per tractor by country then answer the following questions.

Country Percentage of population in agriculture Number of people for each tractor
Kenya 76 3006
Korea 45 1900
China 56 1247
Egypt 49 1117
Sudan 34 142
Burma 12 120
Sudan 04 38
  1. Draw a pie chart to show the number of people per tractor per country
  2. Comment on the level of agricultural mechanization of each country.

Long answers
6

Study carefully the following data and answer the questions that follow.

Class interval Frequency
0-4 2
5-9 11
10-14 37
15-19 54
20-24 28
25-29 09
30-34 01
35-39 03
  1. Find the range of grouped data.
  2. Calculate the standard deviation.
  3. What are the advantages and disadvantages of range in a given geographical data.

Long answers
7

 Study table 1 carefully and use it to answer the questions that follow.
Table 1: Export of Agricultural Produce (tons) 1965 - 1967

Period Sisal Cotton Coffee Groundnuts Coconut
1965 210,235 55,261 27,947 6,445 63,632
1966 195,812 84,786 50,321 4,653 71,099
1967 201,183 59,760 44,637 5,573 69,789
  1. Draw a suitable line graph to represent the data shown in the table.
  2. Comment on the limitations of the method used.

Long answers
8

The table below shows the mean annual percentage frequency of wind direction and wind speed. Study it carefully then answer the questions that follow.

Wind speed N NE E SE S SW W NW
<4 mph 1.3 3.2 2.6 3.4 2.2 4.6 2.0 3.6
4-12 mph 2.4 4.0 3.1 2.8 1.7 4.4 3.5 2.5
13-24 mph 1.6 4.5 3.6 3.9 1.4 3.7 1.0 2.1
>24 mph 0.8 2.5 2.6 1.5 0.8 3.4 0.3 1.0
Total 6.1 14.2 11.9 11.6 6.1 16.1 6.8 9.2

CALM=18%

  1. Draw the above data by means of Compount Wind Rose
  2. what are the merits and demerits of using this method in presenting statistics?

Long answers
9

Population of a certain country in Africa.

AGE GROUP MALES FEMALES
0-4 1,559,700 1,620,400
5-9 1,391,220 1,412,280
10-14 1,066,640 1,034,800
15-19 840,340 877,940
20-24 586,580 742,520
25-29 610,320 703,540
30-34 457,540 504,790
35-39 439,510 446,630
40-44 321,480 348,700
45-49 320,390 311,950
50-54 230,610 237,000
55-59 172,410 165,350
60-64 200,000 175,180
65-69 124,810 116,000
70-74 103,000 91,000
75+ 154,930 127,160
  1.  Draw the age/sex pyramid to show population structure of this country.
  2. Comment on the population structure as shown by the graph you have drawn.

Long answers