Chocolate Preference Survey using Anova: Single-factor

Chocolate preference ratings

Introduction-Chocolate, derived from cacao beans, is one of the world’s most popular and versatile treats. Known for its rich taste and ability to be molded into various forms, it holds a special place in cultures worldwide. Whether enjoyed as a snack, used in desserts, or given as a gift, chocolate appeals to people of all ages.

Author – Anupa Shivram Rao (021330124066), F4, ITM Skill University

Objective – To compare the four different kinds of chocolate preference

Data collection – By surveying the students of ITM Business School. Each student rated four Chocolate i.e. Dairy Milk, Milky Bar, Kit Kat, and 5 Star on a scale of 1 to 10 where 1 indicates low preference and 10 indicates high preference. Each rating was collected independently to reflect personal preferences

Data Analysis -The Anova: Single Factor test was performed

  • Null Hypothesis (H0): It states that all chocolate preferences are the same
  • Alternative Hypothesis (H1): It indicates that anyone of the Chocolate preference is different

Anova: Single Factor

           
             

SUMMARY

           

Groups

Count

Sum

Average

Variance

   

Dairy Milk

25

191

7.64

5.74

   

Milky Bar

25

181

7.24

2.94

   

Kit Kat

25

197

7.88

2.943333333

   

5 Star

25

167

6.68

4.81

   
             
             

ANOVA

           

Source of Variation

SS

df

MS

F

P-value

F crit

Between Groups

20.64

3

6.88

1.67464503

0.1775852

2.6993926

Within Groups

394.4

96

4.1083333

     
             

Total

415.04

99

 

 

 

 

 

Since the P- value is 0.17758 is greater than the significance level of 0.05, we accept the null hypothesis

Conclusion: All chocolate preferences are same

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