The following are sample scores; X; 10, 12, 6, 8, 9, 11, 13, 13, 5, 0, 1 what is the mean, median, mode, range, variance?what is the value of summation (X - X-)
what is the value of summation (X - X-)2

The amount used= 13.04- 1.9 = 11.14

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.