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Chapter 2: Q. 6 (page 138)

T2.6. The figure shown is the density curve of a distribution. Five of the seven points marked on the density curve make up the five-number summary for this distribution. Which two points are not part of the five-number summary?

(a) Band E
(b) C and F
(c) C and E
(d) B and F
(e) A and G.

Short Answer

Expert verified

The two points are not part of the five-number summary is Band F. So, the option (d) is correct.

Step by step solution

01

Given information

Five of the seven points marked on the density curve make up the five-number summary for this distribution.

02

Explanation

The5-number summary contains the minimum is A, median is C, and the maximum is G.
25%of the area underneath the curve has to lie between the minimum A and the maximum value G.

And also observed that the points Band Fare too close to the ends of the distribution.

So, the points Band F are not part of five number summary. hence, the option (d) is correct.

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Use Table A to find the value zfrom the standard Normal distribution that satisfies each of the following conditions. In each case, sketch a standard Normal curve with your value of zmarked on the axis.

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