Two Types of Flares Were Tested for Their Burning Times $\text { Brand } \mathrm { X }$

question 50

Essay

Two types of flares were tested for their burning times (in minutes).Sample results are given below. $\text { Brand } \mathrm { X }$ $\text { Brand } \mathrm { Y }$ n = 35 n = 40 $\overline{x}$ = 19.4 $\overline{x}$ = 15.1
s = 1.4 s = 0.8
df = 52
Refer to the sample data to test the claim that the two populations have unequal means..Carry out the test with a 1% significance level.

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Definitions:

Average Time

The mean time taken for a process or event, calculated by summing the total times recorded and dividing by the number of events.

Arrival Rate

In operations, it refers to the frequency at which tasks, customers, or entities arrive at a system or facility, typically measured in units per time period.