Hypothesis Testing Results#
Time Patterns#
Are orders processed longer at night?
Result:
At the 0.05 significance level, the mean order processing time at night is statistically significantly different from the mean order processing time at any other time of day.
Moreover, the processing time at night is statistically significantly longer than during other periods.
Are orders processed longer on weekdays?
Result:
At the 0.05 significance level, the mean order processing time on weekdays is statistically significantly different from the mean order processing time on weekends.
Moreover, the processing time on weekdays is statistically significantly shorter than on weekends.
Review Scores#
Does reviews score of 1 have a higher average order value?
Result:
At the 0.05 significance level, the mean order value for rating 1 is statistically significantly different from the mean order value for any other rating.
Moreover, the mean order value for rating 1 is statistically significantly higher than for other ratings.
Are orders with review score of 1 delivered longer?
Result:
At the 0.05 significance level, the mean delivery time for rating 1 is statistically significantly different from the mean delivery time for any other rating.
Moreover, the mean delivery time for rating 1 is statistically significantly longer than for other ratings.
Installment#
Are installment orders processed faster?
Result:
At the 0.05 significance level, the mean order processing time for installment payments is statistically significantly different from the mean order processing time for non-installment payments.
Moreover, the mean order processing time for installment payments is statistically significantly shorter than for non-installment payments.
Do installment orders have a higher average order value?
Result:
At the 0.05 significance level, the mean order value for installment payments is statistically significantly different from the mean order value for non-installment payments.
Moreover, the mean order value for installment payments is statistically significantly higher than for non-installment payments.
Do installment orders have a higher average order weight?
Result:
At the 0.05 significance level, the mean order weight for installment payments is statistically significantly different from the mean order weight for non-installment payments.
Moreover, the mean order weight for installment payments is statistically significantly higher than for non-installment payments.
Do installment orders have a higher average product price in the order?
Result:
At the 0.05 significance level, the mean product price in orders with installment payments is statistically significantly different from the mean product price in orders without installment payments.
Moreover, the mean product price in orders with installment payments is statistically significantly higher than in orders without installment payments.
Do installment orders have a higher average delivery cost?
Result:
At the 0.05 significance level, the mean delivery cost for orders with installment payments is statistically significantly different from the mean delivery cost for orders without installment payments.
Moreover, the mean delivery cost for orders with installment payments is statistically significantly higher than for orders without installment payments.
Order Processing and Delivery#
Do delayed orders have a higher average order value?
Result:
At the 0.05 significance level, the mean value of delayed orders is statistically significantly different from the mean value of non-delayed orders.
Moreover, the mean value of delayed orders is statistically significantly higher than of non-delayed orders.
Do delayed orders have a higher average order weight?
Result:
At the 0.05 significance level, the mean weight of delayed orders is statistically significantly different from the mean weight of non-delayed orders.
Moreover, the mean weight of delayed orders is statistically significantly higher than that of non-delayed orders.
Do delayed orders have a higher average product price in the order?
Result:
At the 0.05 significance level, the mean product price in delayed orders is statistically significantly different from the mean product price in non-delayed orders.
Moreover, the mean product price in delayed orders is statistically significantly higher than in non-delayed orders.
Do delayed orders have a higher average delivery cost?
Result:
At the 0.05 significance level, the mean delivery cost in delayed orders is statistically significantly different from the mean delivery cost in non-delayed orders.
Moreover, the mean delivery cost in delayed orders is statistically significantly higher than in non-delayed orders.
Does delivery delay affect the distribution of order ratings?
Result:
At the 0.05 significance level, the distribution of order ratings differs between delayed and non-delayed orders.
Moreover, non-delayed orders have statistically significantly higher chances of receiving a higher rating.
Are expensive orders delivered longer?
Result:
At the 0.05 significance level, the mean delivery cost for the high-price order category is statistically significantly different from the mean delivery cost for any other category.
Moreover, the mean delivery cost for the high-price category is statistically significantly higher than for other categories.