Evaluating the Content Validity of Grade 10 Mathematics Model Examinations in Oromia National Regional State, Ethiopia

Table 7

The number of observed and expected tests items that determined from the contents of the syllabus by judges.

Content areas	Observed period allotted	Expected period allotted	Observed test items average across judges	Expected test items average across judges	Total
(1) The real number system	198	190.58	26.38	33.80	224.38
(2) Equations and inequalities	252	261.83	56.27	46.44	308.27
(3) Further on set theory	90	92.58	19	16.42	109
(4) Relations and functions	132	136.76	29.01	24.25	161.01
(5) Regular polygons	60	62	13	11	73
(6) Further on congruency and similarity	78	76.98	12.63	13.65	90.63
(7) Circles	66	64.55	10	11.45	76
(8) Statistical data and probability	162	152.04	17	26.96	179
(9) Vector in two dimensions	72	67.10	7	11.90	79
(10) Polynomial function	120	121.46	23	21.54	143
(11) Exponents and logarithms	36	43.74	15.5	7.76	51.50
(12) Graph of exponential and logarithmic functions	66	62	7	11	73
(13) Equations and applications of exponents and logarithms	78	92.91	31.39	16.48	109.39
(14) Distance and section formulas	24	25.48	6	4.52	30
(15) Equation of a line, parallel and perpendicular lines	66	71.88	18.63	12.75	84.63
(16) Basic trigonometric functions	132	128.89	19.75	22.86	151.75
(17) The reciprocal trigonometric functions	42	41.52	6.88	7.36	48.88
(18) Simple trigonometric identities and real-life application problems	48	46.93	7.25	8.32	55.25
(19) Theorems on triangles and special quadrilaterals	66	62.86	8.01	11.15	74.01
(20) Measurement	186	171.90	16.38	30.48	202.38
Total	1974	1973.99	350.08	350.09	2324.08