STATISTICS II Homework

If possible, can someone help solve these problems using a calculator (TI83/84) , not excel or other software.

P1. The table shows the marital status of 100 randomly selected mothers that receive Food Stamp benefits. At the 10% LOS, test the claim the number recipients is evenly distributed by marital status.

Marital Status

Frequency

Married, husband present

Married, husband absent

Widowed or divorced

Never married

20

19

23

38

P2. Is there a relation between gender and the opinion on use of medical marijuana? Test the given data at the 20% LOS.

In Favor of

Medical Marijuana

Oppose

Medical Marijuana

Undecided about

Medical Marijuana

Male

538

167

29

Female

557

186

31

P3. A manager claims the median age of people attending a show is under twenty-three. Based on a random sample of 40 attendees, 24 were under twenty-three, 5 were twenty-three, and 11 were over twenty-three. At the 5% LOS, does the data support the manager's claim?

P4. The table shows survivability data for the passengers travelling on the Titanic. At the 5% LOS, do the data suggest there was a relation between survivability and "Man/Woman/Child" demographic?

Adult

Male

Adult

Female

Child

Total

Survived

128

304

56

488

Died

648

108

56

812

Total

776

412

112

1300

P5. A real estate agent claims the median sales price of homes in Happy Valley is over $198,000. Test the agents claim based on the following random sample of homes:

$228,000 $191,450 $147,500 $202,600 $133,800 $219,000 $207,000 $218,000