The following graph is looking at “consistency” scores for responses to a test to determine whether subjects had synesthesia (a mental condition where there is cross-sense mixing; e.g., someone might associate colors with sounds or words) Is this a frequency or relative frequency histogram? How can you tell? Is this data set symmetric or skewed? If it is symmetric, indicate the center. If it is skewed, indicate the direction of skew. Use the graph to estimate the percent of respondents who fall into the range for those with synesthesia. Work prior to this study suggested that 0.05% of the population had synesthesia. Do the results in this graph seem to be consistent with that number? Explain your answer.

MATLAB: An Introduction with Applications
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The following graph is looking at “consistency” scores for responses to a test to determine whether subjects had synesthesia (a mental condition where there is cross-sense mixing; e.g., someone might associate colors with sounds or words)

  • Is this a frequency or relative frequency histogram? How can you tell?
  • Is this data set symmetric or skewed? If it is symmetric, indicate the center. If it is skewed, indicate the direction of skew.
  • Use the graph to estimate the percent of respondents who fall into the range for those with synesthesia.
  • Work prior to this study suggested that 0.05% of the population had synesthesia. Do the results in this graph seem to be consistent with that number? Explain your answer.
12
10
Range of scores for
known synaesthetes
9 12 15
Consistency score (out of 36)
0 3 6
18 21
24
27 30
33
36
8.
6o
2.
Participants/%
Transcribed Image Text:12 10 Range of scores for known synaesthetes 9 12 15 Consistency score (out of 36) 0 3 6 18 21 24 27 30 33 36 8. 6o 2. Participants/%
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