Mr. Daniel recorded the scores for each student in his class in the form of Stem- Leaf table. If the passing score is 33 and all
1 answer:
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From the first picture, the triangle can be redrawn. It is an isosceles triangle.
The base angles of an isosceles triangle are angle. Hence, angle A = angle C = 56°.
Note that: angle À + angle B + angle C = 180° (sum of angles in a triangle)
56 + B + 56 = 180°
B + 112° = 180°
B = 180° - 112°
B = 68°
The base angles of an isosceles triangle are angle. Hence, angle A = angle C = 56°.
Note that: angle À + angle B + angle C = 180° (sum of angles in a triangle)
56 + B + 56 = 180°
B + 112° = 180°
B = 180° - 112°
B = 68°
Answer:
The standard deviation is 9.34
Step-by-step explanation:
First we need to find mean of the sample:
Standard deviation will be like below: