Determine the type of correlation that exists in the given data set.
age-23,45,39,74,63,52,59,28,35,11,26,49
IQ-76,82,113,111,109,115,101,127,92,123,128,99

Question

Determine the type of correlation that exists in the given data set.
age-23,45,39,74,63,52,59,28,35,11,26,49
  IQ-76,82,113,111,109,115,101,127,92,123,128,99

anonymous · Answer

How about drawing a scatterplot to see what kind of correlation, if any, exists?

anonymous · Answer

A. According to this data, there is a positive correlation between age and IQ. 
B. According to this data, there is a negative correlation between age and IQ. 
C. According to this data, there is no correlation between age and IQ. 
D.There is not enough information in this data to determine what type of correlation exists between age and IQ

anonymous · Answer

@dom30000111111 

How about drawing a scatterplot to see what kind of correlation, if any, exists?

amistre64 · Answer

or even sorting the data ....

anonymous · Answer

the numbers dont go in order though. should i put the ages in order from youngest to oldest then graph?

anonymous · Answer

@Easyaspi314

amistre64 · Answer

sort one of the lists, and make sure you keep the other one in the correct one.to.one arrangement as you sort

anonymous · Answer

@dom30000111111 
The numbers don't have to go in order to draw a scatterplot.
You are drawing/plotting a set of data.

amistre64 · Answer

|dw:1383756902589:dw|

anonymous · Answer

ok thanks. so the answer would b a. correct?

anonymous · Answer

@amistre64

amistre64 · Answer

id have to use excel to determine that with ...

amistre64 · Answer

attachment

amistre64 · Answer

we could define the regression line and look at its slope

anonymous · Answer

i think its b?

amistre64 · Answer

im getting something like a -0.1119  for a slope

amistre64 · Answer

its too close to 0 for me to think there is any correlation in the data

amistre64 · Answer

im torn between C and D

anonymous · Answer

o ok thanks!