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Author Question: 252 randomly sampled college students were asked, among other things, to estimate their college ... (Read 222 times)

renzo156

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on: Jun 24, 2018
252 randomly sampled college students were asked, among other things, to estimate their
  college grade point average (GPA). The responses are shown in the stem-and-leaf plot shown
  below.
 
  Notice that a GPA of 3.65 would be indicated with a stem of 36 and a leaf of 5 in the plot.
  How many of the students who responded had GPA's that exceeded 3.55?
  Stem and Leaf Plot of GPA
  Leaf Digit Unit = 0.01 Minimum 1.9900
  19 9 represents 1.99 Median 3.1050
  Maximum 4.0000
  Stem Leaves
  1 19 9
  5 20 0668
  6 21 0
  11 22 05567
  15 23 0113
  20 24 00005
  33 25 0000000000067
  46 26 0000005577789
  61 27 000000134455578
  79 28 000000000144667799
  88 29 002356777
  116 30 0000000000000000000 011344559
  (19 ) 31 0000000000112235666
  117 32 0000000000000000345 568
  95 33 000000000025557
  80 34 0000000000000000333 444566677889
  49 35 000003355566677899
  31 36 000005
  25 37 022235588899
  13 38 00002579
  5 39 7
  4 40 0000
  252 cases included
  A) 39 B) 19 C) 49 D) 31

Question 2

A survey was conducted to determine how people feel about the quality of programming
  available on television. Respondents were asked to rate the overall quality from 0 (no quality at
  all) to 100 (extremely good quality).
 
  The stem-and-leaf display of the data is shown below.
  Stem Leaf
  3 1 6
  4 0 3 4 7 8 9 9 9
  5 0 1 1 2 3 4 5
  6 1 2 5 6 6
  7 1 4
  89
  5
  What percentage of the respondents rated overall television quality as very good (regarded as
  ratings of 80 and above)?
  A) 1 B) 5 C) 4 D) 20


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maya.nigrin17@yahoo.com

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

C


renzo156

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Reply 2 on: Jun 24, 2018
:D TYSM

lkanara2

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  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

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