Number of medals 1. Number of scouts 1-2 3-5 7 8-11 12-15 16-20 21-30 10 16 42 12 10 40 48 12 10 Consider the histogram for the above distribution of the number of medals for the scouts in a certain Boy Scout Council. Be careful. The number 42, for example, is the number of scouts with 3-5 medals. It is not the percentage of the population with 3-5 medals. (a) Draw the histogram, as defined in our text. (b) i. The units on the horizontal scale are: (A) number of medals (B) number of scouts (C) % of scouts (D) aгea ii. The vertical scale is a scale. (C) density (A) measurement iii. The area of the block for 8 to 11 medals (inclusive) represents: (A) number of medals iv. The area of the block for 8 to 11 medals (inclusive) is: (A) 40% (B) 20 scouts (C) 20 medals (D) 20% (E) 5% per medal (F) 5% per scout v. The height of the block for 21-30 medals is: (A) 5% (B) 5% per medal (C) 1/2% per medal (D) 5/9% per medal (E) 10 medals vi. The endpoints of the base of the block for 1 or 2 medals are: (A) 1 and 2 (B) 1.5 and 2.5 (C) 0 and 3 (D) 0.5 and 2.5 (E) 1 and 3 (F) 0 and 2 (B) percent (D) propensity (E) counting (B) percent of scouts (C) percent of scouts per medal vii. Which block is the most dense? (A) 1-2 (B) 3-5 (C) 8-11 (D) 12-15
Number of medals 1. Number of scouts 1-2 3-5 7 8-11 12-15 16-20 21-30 10 16 42 12 10 40 48 12 10 Consider the histogram for the above distribution of the number of medals for the scouts in a certain Boy Scout Council. Be careful. The number 42, for example, is the number of scouts with 3-5 medals. It is not the percentage of the population with 3-5 medals. (a) Draw the histogram, as defined in our text. (b) i. The units on the horizontal scale are: (A) number of medals (B) number of scouts (C) % of scouts (D) aгea ii. The vertical scale is a scale. (C) density (A) measurement iii. The area of the block for 8 to 11 medals (inclusive) represents: (A) number of medals iv. The area of the block for 8 to 11 medals (inclusive) is: (A) 40% (B) 20 scouts (C) 20 medals (D) 20% (E) 5% per medal (F) 5% per scout v. The height of the block for 21-30 medals is: (A) 5% (B) 5% per medal (C) 1/2% per medal (D) 5/9% per medal (E) 10 medals vi. The endpoints of the base of the block for 1 or 2 medals are: (A) 1 and 2 (B) 1.5 and 2.5 (C) 0 and 3 (D) 0.5 and 2.5 (E) 1 and 3 (F) 0 and 2 (B) percent (D) propensity (E) counting (B) percent of scouts (C) percent of scouts per medal vii. Which block is the most dense? (A) 1-2 (B) 3-5 (C) 8-11 (D) 12-15
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Question 1
Transcribed Image Text:Number of medals
1.
Number of scouts
1-2
3-5
6
7
8-11
12-15
16-20 21-30
10
16
42
12
10
40
48
12
10
Consider the histogram for the above distribution of the number of medals for the scouts in a
certain Boy Scout Council. Be careful. The number 42, for example, is the number of scouts with
3-5 medals. It is not the percentage of the population with 3-5 medals.
(a) Draw the histogram, as defined in our text.
(b)
i. The units on the horizontal scale are:
(A) number of medals
(B) number of scouts
(C) % of scouts
(D) area
ii. The vertical scale is a
scale.
(C) density (D) propensity (E) counting
(A) measurement
iii. The area of the block for 8 to 11 medals (inclusive) represents:
(A) number of medals (B) percent of scouts
iv. The area of the block for 8 to 11 medals (inclusive) is:
(A) 40% (B) 20 scouts (C) 20 medals (D) 20% (E) 5% per medal (F) 5%
v. The height of the block for 21-30 medals is:
(A) 5% (B) 5% per medal (C) 1/2% per medal (D) 5/9% per medal (E) 10 medals
(B) реrcent
(C) percent of scouts per medal
O per
scout
vi. The endpoints of the base of the block for 1 or 2 medals are:
(A) 1 and 2 (B) 1.5 and 2.5 (C) 0 and 3 (D) 0.5 and 2.5 (E) 1 and 3 (F) 0 and 2
vii. Which block is the most dense?
(A) 1-2 (B) 3-5
(C) 8-11
(D) 12-15
2. On the Math SAT, men have a distinct edge. In 2005, for instance, the men averaged about 538,
and the women averaged about 504.
(a) Estimate the percentage of men getting over 700 on this test in 2005.
(b) Estimate the percentage of women getting over 700 on this test in 2005.
(i) the histograms followed the normal curve, and (ii) both SDs were about 120.
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