1.1 the drying time, in hours, of a certain brand of latex paint. The following measurements were recorded for 2.9 3.7 3.6 2.8 3.4 2.5 4.8 2.8 4.4 3.3 4.0 5.6 5.2 3.0 4.8 Assume that the measurements are a simple random sample. (a) What is the sample size for the above sample? (b) Calculate the sample mean for these data. (c) Calculate the sample median.
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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![1.1 The following measurements were recorded for
the drying time, in hours, of a certain brand of latex
paint.
3.4
2.8
2.5
4.8
2.9
3.6
3.3
5.6
5.2
3.7
2.8
4.4
4.0
3.0
4.8
Assume that the measurements are a simple random
sample.
(a) What is the sample size for the above sample?
(b) Calculate the sample mean for these data.
(c) Calculate the sample median.
(d) Plot the data by way of a dot plot.
(e) Compute the 20%
trimmed mean for the above
data set.
(f) Is the sample mean for these data more or less de-
scriptive as a center of location than the trimmed
mean?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F57493641-c36c-4347-9c05-b1e73ae7f934%2F6d6b7cbb-8d2e-4c03-94ba-31ade503a173%2Fy8dy9o_processed.png&w=3840&q=75)
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