910 Types of Charts What is a chart It is a pictorial representation of data

910 types of charts what is a chart it is a pictorial

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9.10 Types of Charts What is a chart? It is a pictorial representation of data. Types of Charts (i) Histogram How do you create a Histogram? To create a histogram, you should do the following: Click Graphs then click “Histogram”. In the “Histogram” dialog box highlight bills and click _ to move it into the “Variable” box. Click OK and you will get the histogram. (ii) Bar Chart How do you create a bar chart? To create a bar chart, follow these steps: Click Graphs then click "bar". In the "Bar chart" dialog box, look in the "Data in Chart" box select "Values of Individual cases." Click Define. In the "Define Simple Bar: Values of Individual Cases" dialog box, click Variable in the "Category Labels" box then highlight the variable area and click _ to move it into the box. Click the variable which contains the counts in the data set and click _ to move it into the "Bars Represent" box. Click OK and you will get the bar chart. (iii) Pie Chart How do you create a pie chart? To create a pie chart, follow these steps: Click Graphs then click "pie". In the "Pie chart" dialog box, look in the "Data in Chart" box select "Values of Individual cases." Click Define. In the "Define Pie: Values of Individual Cases" dialog box, click Variable in the "Slice Labels" box then highlight the variable area and click _ to move it 116
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into the "variable" box. Click the variable which contains the counts in the data set and click _ to move it into the "Slices Represent" box. Click OK and you will get a pie chart (without percents along with it). (iv) Line Chart How do you create a line chart? To create a line chart, follow these steps: Click Graphs then line. In the "Line Charts" dialog box, look in "Data in Chart Are" box and change the default to “Values of individuals cases", click Define. In the "Define Simple Line: Value of Individual Cases" dialog box, click variable in the "Category Labels" box, highlight the variable year and click _to move it into the box. Highlight the variable income t and click _to move it into the "Line Represents" box. Click OK and you will get the line chart. 9.11 Learning Activities Explain the meaning and importance of the following terms used in this module: (a) Data analysis (b) Correlation research (c) Paired-samples t-test 117
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9.12 Summary Statistical Software for the Social Sciences (SPSS) is a computer application that provides statistical analysis of data. Data is a collection of facts and figures relating to a particular activity under study or investigation. Statistics is analysis of figures or data. The statistical significance of a result is an estimated measure of the degree to which it is “true”. Correlation research is a descriptive study which is used to measure relationships between two or more variables. A chart is a pictorial representation of data. 9.13 Suggestions For Further Reading Begi, N. (2010). A comparative study of Pre-school and Lower primary School teachers’ computer technology usage in teaching in Nairobi Province, Kenya” Book published VDM Verlag. David, S. M. (2009). Introduction to the Practice of Statistics W/Study Guide: W.H. Freeman & Company Jeffery, E. A.; Jeffery, A.; Thomas, P. and
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