About our study

SAMPLE SURVEY:

                                  BWRG

AP Statistics Comprehensive Project

(Remember, this survey is anonymous.  Please answer truthfully and DON’T write your name on this paper)

What is your horoscope sign?

__ Aries: March 21 - April 19

__ Taurus: April 20 – May 20

__ Gemini: May 21 - June 21

__ Cancer: June 22 - July 22

__ Leo: July 23 - August 22

__ Virgo: August 23 - September 22

__ Libra: September 23 - October 22

__ Scorpio: October 23 - November 21

__ Sagittarius: November 22 - December 21

__ Capricorn: December 22 - January 19

__ Aquarius: January 20 - February 18

__ Pisces: February 19 - March 20

What is your cumulative GPA?    ________

DESCRIPTIVE STATISTICS:

Descriptive Statistics: Winter, Fall, Summer, Spring 
Variable   N  N*   Mean  SE Mean  StDev  Minimum     Q1  Median     Q3  Maximum
Winter    11   0  2.818    0.263  0.874    2.000  2.000   3.000  4.000    4.000
Fall      28   0  2.786    0.119  0.630    2.000  2.000   3.000  3.000    4.000
Summer     9   0  2.667    0.333  1.000    1.000  2.000   3.000  3.500    4.000
Spring    10   0  2.700    0.153  0.483    2.000  2.000   3.000  3.000    3.000

 

Ho: There is no association between the season a person is born and their grade point average.

Ha: There is an association between the season a person is born and their grade point average.

α: .05

X²=Σ(Observed count- Expected count)²

            ------------------------------------------

                       Expected Count

 

Since all the expected cell counts do not exceed 5, the Chi-Square test will not be valid.

P-value: Unknown

Conclusion: See conclusion page.