A manfred County Psychologist is researching a possible relationship between abuse received as a child and later adult drinking habits. She interviewed a random sample of County adults and asked each what level of parental abuse (none, iffequent or often) he/she received as a child and what his/her drinking habit is (none, light, moderate or heavy). The table below gives the results of her interviews.

At the 0.01 level of significance, can the psychologist conclude that there is a relationship between abuse received as a child and later drinking habits for all adults in Manfred County?

Answer each of the following:

a. What is the Null Hypothesis?

b. What is the Alternate Hypothesis?

c. This test is a:

i. Right tail ii. Left Tail iii. Symmetrical

iv. Undefined

d. The numerical vue of Alpha (α) ?

e. The test Statistic distribution is?

i. Normal ii. t iii. Chi Square iv. F

f. The numerical value of the test statistic is?

g. The numerical value of the Pvalue is?

h. The Statistical decision is?

i. Do not reject the Null ii. Reject the Null

iii. Insufficient data

i. What can the decision of the Statistical test in the terminology of the question be?

j. If it is later determined that the Statistical decision was in error, what type of error would it be?

i. Type 1 ii. Type 2 iii. Insufficient data iv. Neither
 
 

Transcribed Image Text:

Observed data. Drinking Habits Child Abuse None Light Moderate Heavy None 51 38 37 14 Infrequent 28 42 11 10 Often 27 40 12 46 Observed data. Drinking Habits Child Abuse None Light Moderate Heavy None 51 38 37 14 Infrequent 28 42 11 10 Often 27 40 12 46

Answer rating: 100% (QA)

To address each of the points in the question we will use the information from the observed data table you provided a The Null Hypothesis The null hypothesis H0 is a statement that there is no associa... View the full answer