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标题: Reading 7: Statistical Concepts and Market Returns - LOS b [打印本页]

作者: mayanfang1 时间: 2008-12-31 16:38 标题: [2009] Session 2 - Reading 7: Statistical Concepts and Market Returns - LOS b

Q7. Use the results from the following survey of 500 firms to answer the question.

Number of Employees Frequency

300 up to 400 40

400 up to 500 62

500 up to 600 78

600 up to 700 101

700 up to 800 131

800 up to 900 88

The cumulative relative frequency of the second interval (400 to 500) is:

A) 12.4%.

B) 20.4%.

C) 10.2%.

Q8. Which of the following best describes a frequency distribution? A frequency distribution is a grouping of:

A) selected data into intervals (classes) so that the number of observations in each of the non-overlapping intervals (classes) can be seen and tallied.

B) independent intervals (classes) so that they can be seen and tallied.

C) data into intervals (classes) so that the number of observations in each of the non-overlapping intervals (classes) can be seen and tallied.

Q9. Given the following frequency distribution:

Interval Frequency

10 up to 30 5

30 up to 50 10

50 up to 70 15

70 up to 90 5

Which of the following statements is least accurate?

A) The relative frequency of the second interval is less than 15.

B) The absolute frequency of the third interval is 15.

C) The number of observations is greater than 30.

作者: jacky_z 时间: 2009-2-8 16:02

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作者: tofjing 时间: 2009-2-9 14:46

[em01]

作者: dullmul 时间: 2009-3-13 07:32

answers

作者: Linda123 时间: 2009-3-25 10:03

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作者: hjl2000 时间: 2009-3-28 20:59

d

作者: connie198226 时间: 2009-4-2 11:38

ss

作者: kgbvvsscia 时间: 2009-4-6 11:12

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作者: fange520 时间: 2009-4-6 21:30

baa

作者: alecliang 时间: 2009-4-11 09:20

1

作者: ruyueyu 时间: 2009-4-27 17:04

THANKS!

作者: ruyueyu 时间: 2009-4-27 17:08

WHERE IS THE ANSWER?

作者: cktforever 时间: 2009-4-30 15:32

bca

作者: Michjay 时间: 2009-5-1 00:19

 a

作者: cynthia85 时间: 2009-5-7 14:40

c

作者: deqiang 时间: 2009-5-14 03:57

 ok

作者: deqiang 时间: 2009-5-14 04:00

 ok

作者: baidongouc 时间: 2009-5-14 04:09

b

作者: danqing66 时间: 2009-6-3 09:08

thanks

作者: ellenstone 时间: 2009-6-5 21:55

 re

作者: ellenstone 时间: 2009-6-5 21:56

 re

作者: kin009 时间: 2009-6-6 19:00

p

作者: smm911 时间: 2009-7-16 11:51

aab

作者: ch_914 时间: 2009-7-19 19:54

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作者: josephine_loh 时间: 2009-8-9 15:57

 tq

作者: josephine_loh 时间: 2009-8-9 15:58

tq

作者: huangyichun 时间: 2009-8-27 23:38

  thanks

作者: luodan0103 时间: 2009-8-31 14:35

thanks

作者: ohwow_my 时间: 2009-9-9 14:36

  thanks

作者: htpeng 时间: 2009-10-20 04:20

baa

作者: xmwang 时间: 2009-11-15 03:59

ding

作者: solitute 时间: 2009-11-16 19:07

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作者: shjens 时间: 2009-11-25 23:19 标题: d

d

作者: gayson1121 时间: 2009-11-28 15:06

[em50]

作者: jiangcfa 时间: 2009-11-29 02:25

 thx

作者: jrxx99 时间: 2009-12-10 11:48

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作者: jrxx99 时间: 2009-12-10 12:53

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作者: jerrywang0 时间: 2010-4-7 16:42

thank you

作者: 梅子绿茶 时间: 2010-4-11 10:22

 a

作者: shuru1207 时间: 2010-5-5 05:43

thnx

作者: chenxu200312 时间: 2010-5-22 08:07

d

作者: creativepharos 时间: 2010-6-2 11:22

baa

作者: annexe1979 时间: 2010-6-10 04:38

xx

作者: Anyone2010 时间: 2010-8-29 13:20

ta

作者: scofield1985 时间: 2010-10-12 21:27

D

作者: seraphiris0116 时间: 2010-11-6 22:23

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作者: cfacfa2010 时间: 2010-11-9 21:18

 哦看

作者: cfacfa2010 时间: 2010-11-9 21:18

 ok

作者: sunzhenpeng 时间: 2010-11-13 11:21

 thanks

作者: xwsh0325 时间: 2010-11-15 07:19

d

作者: stockhunter 时间: 2011-8-29 23:16

有不懂
看答案

作者: 123jame 时间: 2012-1-17 10:59

我的答案是BCA

作者: skyforce 时间: 2012-1-22 04:59

thanks!!!!!

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