Jacob Lee is a frequent traveler between Los Angeles and San Diego. For the past month, he wrote down the flight times in minutes on three different airlines. The results are:

Goust Jet Red Cloudtran

51 50 52

51 53 55

52 52 60

42 62 64

51 53 61

57 49 49

47 50 49

47 49

50 58

60 54

54 51

49 49

48 49

48 50

a. Use the 0.05 significance level and the five-step hypothesis-testing process to check if there is a difference in the mean flight times among the three airlines.

b. Develop a 95 percent confidence interval for the difference in the means between Goust and Cloudtran.

a

step-by-step explanation:

step-by-step explanation:

let's assume

number of candles set =x

price of of x candles =p(x)

we are given

a candle maker prices one set of scented candles at $10 and sells an average of 200 sets each week

so, we get point as (200,10)

he finds that when he reduces the price by $1, he then sells 50 more candle sets each week

so, we can find slope

now, we can use point slope form of line

now, we can plug values

we can use point

and find b

now, we can plug it back

and we get

now, we can find revenue

we know that

revenue = price*quantity

so, we get

where is the graph? need more info