Reference no: EM132202824

1.a. The Sales manager at Hybrid Industries a high tech farming agency claims that there has been a drop in the sales from the target of $2800/- per week. Data was collected for the last 48 weeks and the sample mean was computed as $ 2435/- with a s.d. $ 351. Verify at 5% los if the manager's claim can be accepted based on the sample observations.

4.b. Guests travelling on two different airlines (West Fly Airlines and Air Cosmos) were surveyed for their satisfaction levels of the services offered. 123 of 180 guests travelling by West Fly and 157 of the 200 guests travelling by Air Cosmos rates the respective airlines high on service quality. Do the data provide enough evidence to infer that there is no significant difference between the service qualities of the two airline companies? (Use 5% los)

Q2 7 tourists were asked about the airfare expenses and their total budgeted amount in their last travel/holiday.

Air fare ( Rs)

15000

28000

10000

9000

11000

16000

12000

Totl Budget in (Rs)

120000

145000

130000

102000

180000

95000

100000

What is the expected budget for an individual of this group if the airfare to a certain city of her choice is Rs.8.9K?