Application of statistics questions | form three Geography

State the differences between the following types of data:
(a) Discrete and continuous.
(b) Single and grouped.

Read carefully the hypothetical data presented below and then answer the questions that follow. Cash crops production in Tanzania in ‘000 tonnes.

(a) Represent data bove using a compound bar graph.
(b) How is the compound bar graph of value to you? Give three (3) points.
(c) Comment on the trend of production as observed from the graph.

Read carefully the climatic data for station A presented in the Table and answer the questions that follow:

(i) Describe the climatic conditions of station A.
(ii) Name any two countries in the Great Lakes of East Africa which experience this type of climatic conditions.
(iii) Present the data graphically.

Data in the following table show the enrolment of Form One students at Mji Mpya Secondary School from 2006 to 2010. Carefully study them and answer the questions that follow.

(a) Present the data by using simple bar graph.
(b) Comment on the trend of the enrolment.
(c) Explain the advantages of the method you have used in (a) above.

Carefully study the hypothetical data presented below showing the export of crops from Tanzania.

The Export of Crops in Tonnes

(a) Present the data using compound bar graph.
(b) Explain two advantages and disadvantages of compound bar graph.

(a) Explain the meaning of the standard deviation.
(b) Study the following data showing the age of the Primary School pupils at Tumaini Primary School and answer the questions that follow: 15, 8, 7, 6, 12, 5, 14 and 13.
(i) Determine the range and median of the age of the pupils.
(ii) Calculate the standard deviation.

The table below shows agricultural production in Tanzania from 2000 to 2006 in `000 tonnes.

(a) Present the data by using a grouped line graph.
(b) Comment on the nature of production.

Carefully study the following statistical graph showing coffee production (in tonnes) in Tanzania, from 2011 to 2014 and answer the questions that follows:

(a) Describe the type of statistical graph used.
(b) Analyse the five procedures involved in constructing such a statistical graph.
(c) Giving two points, comment on the differences in coffee production shown in the graph.
(d) Give three advantages of presenting data by using the type of graph described in (a).

(a) Give three differences between interview and observation.
(b) Outline four merits of library research.

Carefully study the weather data for a station in Australia and answer the questions that follow.

1. Calculate the annual mean temperature for the station.
2. Determine the rainfall range.
3. Find the temperature mode and median.
4. Comment on the relationship between temperature and rainfall for the station.
5. Giving two examples, show the application of the data in the daily life.