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Practicum 1.2.9 (UP+SPM) Semester II 21-23, GCEB

 Practicum 1.2.9 (UP+SPM) Semester II 2021-2023

“Prepare graphs and use statistics for analysis of test result”

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In a Survey on Attitude Towards Vocational Education among the Hill Dwellers in Darjeeling, the following data was obtained from 200 persons.
( A High Score indicates the Positive Attitude)

81	57	62	27	57	86	70	69	76	77
87	29	88	73	93	80	89	57	89	69
92	35	58	79	59	69	98	78	61	90
79	77	78	56	79	97	59	76	68	87
89	89	56	77	20	72	89	35	75	38
67	77	59	76	88	71	50	32	93	89
60	67	51	33	57	85	38	38	28	75
73	50	38	77	31	67	63	85	96	78
62	76	71	55	91	98	38	57	81	75
65	76	67	78	72	87	71	79	73	99
71	75	70	37	32	99	37	58	82	95
91	78	89	86	77	97	78	70	81	73
75	37	72	76	73	27	33	97	27	76
69	87	26	45	51	34	20	20	59	81
84	78	42	63	24	30	39	31	36	68
59	92	86	61	67	79	50	80	77	92
63	70	35	48	85	66	72	90	65	46
68	42	60	97	36	40	70	89	46	92
38	42	46	56	67	82	84	41	56	67
44	67	77	63	74	73	87	81	55	99

Submit a Report in this format

1. Introduction

2. Objectives of the Study

3. Data Tables
   (Raw data and Frequency Distribution using Tally Marks)

4. Calculation of  Mean, SD

5. Calculation of Median and Mode

6. Drawing  Frequency Polygon and  Histogram (on the same axis, same sheet: Indicate Mean, Median and mode)

7. Interpretation

8. Conclusion

9. Reference

HINT:

Title    “Prepare graphs and use statistics for analysis of test result”

1. Introduction

In social science, there are mainly two types of study namely quantitative and qualitative. Statistics helps us to understand and analyse various measurements like attitude, intelligence, personality etc. and also many results in the educational field. ATTITUDE  is measured in an interval  scale which can be analysed after calculation of Mean, Median, Mode, SD. The pictorial representation of the distribution can be done by HIstogram and Frequency Polygon. 

A Teacher should know these basic statistical processes, so it is included in our course 1.2.9 and selected for our practicum.

2. Objectives of the Study 

To be familiar with statistical analysis.

To use interval data from scale

To draw graphs for analysis of distribution

To interpret from Mean and SD

To interpret from Mean, Median and Mode

3. Data Tables

Table1
Raw Scores

81	57	62	27	57	86	70	69	76	77
87	29	88	73	93	80	89	57	89	69
92	35	58	79	59	69	98	78	61	90
79	77	78	56	79	97	59	76	68	87
89	89	56	77	20	72	89	35	75	38
67	77	59	76	88	71	50	32	93	89
60	67	51	33	57	85	38	38	28	75
73	50	38	77	31	67	63	85	96	78
62	76	71	55	91	98	38	57	81	75
65	76	67	78	72	87	71	79	73	99
71	75	70	37	32	99	37	58	82	95
91	78	89	86	77	97	78	70	81	73
75	37	72	76	73	27	33	97	27	76
69	87	26	45	51	34	20	20	59	81
84	78	42	63	24	30	39	31	36	68
59	92	86	61	67	79	50	80	77	92
63	70	35	48	85	66	72	90	65	46
68	42	60	97	36	40	70	89	46	92
38	42	46	56	67	82	84	41	56	67
44	67	77	63	74	73	87	81	55	99

Table 2

Frequency Distribution

Scores	Tally	Frequency
	Total	200

We have taken class interval  i=10

4. Calculation of Mean and SD

We take A= 54.5

Table 3

Scores	Mid Point (X)	d=(X-A)i	Frequency(f)	fd	fd2
20-29	24.5	-3	10	-30	90
30-39	34.5	-2	23	-46	92
40-49		-1
50-59		0
60-69		1
70-79		2
80-89
90-99
			N=200	fd=	fd2

Mean =

=

SD =

=

5. Calculation of Median and Mode

Table 4

Scores	Class Boundary	Frequency(f)	cf
		N=200

Median =

=

Mode = 3*Median-2*Mean

=

Skewness = 3(Mean-Median)/SD

=

6. Drawing Frequency Polygon and Histogram

7. Interpretation

The distribution of attitude is negatively skewed
68.26% person’s attitude is between (Mean - SD) to (Mean + SD)

95.44% person’s attitude is between (Mean - 2*SD) to (Mean + 2*SD)

8. Conclusion

Purposive sample, Should not be generalised.

More Analysis should be done

9.  Reference