eography paper 3 past questions – SECTION B Continues
3. Study the table below showing the slope angle and soil depth on a farm in Wotut village (Buea).
| Sites | Slope angle (cm) | Soil depth (cm) | Rank Slope | Rank Soil depth | Differences (d) | Differences Squared (d2) |
| 1 | 6 | 58 | 8 | – | 5 | 25 |
| 2 | 12 | 40 | 7 | 4 | 3 | 9 |
| 3 | 13 | 20 | – | – | -3 | – |
| 4 | 14 | 18 | 5 | 10 | – | 25 |
| 5 | 5 | 60 | 9 | – | 7.5 | 56.25 |
| 6 | 23 | 25 | – | 7.5 | -5.5 | – |
| 7 | 19 | 30 | 4 | 5 | – | 1 |
| 8 | 27 | 25 | 1 | 7.5 | -6.5 | 42.25 |
| 9 | 20 | 29 | – | 6 | – | – |
| 10 | 3 | 60 | 10 | – | 8.5 | 72.25 |
| ∑d2 = |
a) (i) Complete the table above by inserting the missing figures.
(ii) State the null hypothesis(Ho) tested on the table above.
b) (i) Calculate the correlation between slope angle and soil depth using the Spearman’s Rank Correlation Coefficient (rs) formula stated as:
where rs, the Spearman’s correlation coefficient, d2 is the sqyare difference in rank, and n is the number of sites.
Study the levels of significance below
(ii) State the statistical significance of the result in (b) (i).
c) (i) Describe and account for the relationship between slope angle and soil depth as portrayed on the table above
(ii) State at least two importance of the Spearman’s Rank Correlation Coefficient.
SECTION C
4. a) Explain how the movement of air masses causes the seasons in Cameroon.
b) (i) Briefly describe the spartial distribution and characteristics of plantation farming system in Cameroon.
(ii) Describe any TWO strategies used by government to tacle physical problems faced by peasant farmers in the Northern Lowlands.
5. a) Using the otline map of Cameroon provided, loate and briefly describe the main vegetation types in Cameroon.
b) i) Identify major industries and their sources of raw materials in the Western Industrial Triangle.
ii) What efforts have been put in palce to boost the industrial sector of Cameroon?
6. a) Consider the Coastal Lowlands of Cameroon and briefly describe its relief and drainage characteristics
b) Explain the consequences of rural-urban migrations in Cameroon on the rural areas and communities.
c) Discuss at least three measures which have been udertaken to inimise such movements.
7. a) Examine the distribution of water resources in Cameroon.
b) (i) Locate and describe the spatial pattern of rail way transport network in Cameroon
(ii) Account for its present declining state.
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