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 20
• Married, husband absent 19
• Widowed or divorced 23
• Never married 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 Med. Marijuana Opposed to Med Marijuana Undecided about Med. 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