O Yes O No What sampling distribution will you use? O uniform O normal O binomial O Student's t O chi-square What are the degrees of freedom? (c) Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.) O p-value > 0.100 O 0.050 < p-value < 0.100 O 0.025 < p-value < 0.050 O 0.010 < p-value < 0.025 O 0.005 < p-value < 0.010 O p-value < 0.005 (d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis of independence? O Since the P-value > a, we fail to reject the null hypothesis. O Since the P-value > a, we reject the null hypothesis. O Since the P-value s a, we reject the null hypothesis. O Since the P-value s a, we fail to reject the null hypothesis. (e) Interpret your conclusion in the context of the application. O At the 5% level of significance, there is sufficient evidence to conclude that Myers-Briggs type and area of study are not independent. O At the 5% level of significance, there is insufficient evidence to conclude that Myers-Briggs type and area of study are not independent.

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Question
O Yes
O No
What sampling distribution will you use?
O uniform
O normal
O binomial
O Student'st
O chi-square
What are the degrees of freedom?
(c) Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.)
O p-value > 0.100
O 0.050 < p-value < 0.100
0.025 < p-value < 0.050
O 0.010 < p-value < 0.025
O 0.005 < p-value < 0.010
O p-value < 0.005
(d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis of independence?
O Since the P-value >a, we fail to reject the null hypothesis.
O Since the P-value > a, we reject the null hypothesis.
O Since the P-value < a, we reject the null hypothesis.
O Since the P-value < a, we fail to reject the null hypothesis.
(e) Interpret your conclusion in the context of the application.
O At the 5% level of significance, there is sufficient evidence to conclude that Myers-Briggs type and area of study are not independent.
O At the 5% level of significance, there is insufficient evidence to conclude that Myers-Briggs type and area of study are not independent.
Transcribed Image Text:O Yes O No What sampling distribution will you use? O uniform O normal O binomial O Student'st O chi-square What are the degrees of freedom? (c) Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.) O p-value > 0.100 O 0.050 < p-value < 0.100 0.025 < p-value < 0.050 O 0.010 < p-value < 0.025 O 0.005 < p-value < 0.010 O p-value < 0.005 (d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis of independence? O Since the P-value >a, we fail to reject the null hypothesis. O Since the P-value > a, we reject the null hypothesis. O Since the P-value < a, we reject the null hypothesis. O Since the P-value < a, we fail to reject the null hypothesis. (e) Interpret your conclusion in the context of the application. O At the 5% level of significance, there is sufficient evidence to conclude that Myers-Briggs type and area of study are not independent. O At the 5% level of significance, there is insufficient evidence to conclude that Myers-Briggs type and area of study are not independent.
The following table shows the Myers-Briggs personality preference and area of study for a random sample of 519 college students. In the table, IN refers to introvert, intuitive; EN refers to extrovert, intuitive; IS refers to introvert,
sensing; and ES refers to extrovert, sensing.
Myers-Briggs
Preference
Arts & Science
Business
Allied Health
Row Total
IN
63
8.
25
96
EN
79
40
35
154
IS
54
39
22
115
ES
70
45
39
154
Column Total
266
132
121
519
A USE SALT
Use a chi-square test to determine if Myers-Briggs preference type is independent of area of study at the 0.05 level of significance.
(a) What is the level of significance?
State the null and alternate hypotheses.
O Ho: Myers-Briggs type and area of study are independent.
: Myers-Briggs type and area of study are not independent.
O Ho: Myers-Briggs type and area of study are independent.
H,: Myers-Briggs type and area of study are independent.
O Ho: Myers-Briggs type and area of study are not independent.
H,: Myers-Briggs type and area of study are independent.
O Ho: Myers-Briggs type and area of study are not independent.
H: Myers-Briggs type and area of study are not independent.
(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
Are all the expected frequencies greater than 5?
Yes
O No
What sampling distribution will you use?
O uniform
normal
O binomial
Student's t
O chi-square
Transcribed Image Text:The following table shows the Myers-Briggs personality preference and area of study for a random sample of 519 college students. In the table, IN refers to introvert, intuitive; EN refers to extrovert, intuitive; IS refers to introvert, sensing; and ES refers to extrovert, sensing. Myers-Briggs Preference Arts & Science Business Allied Health Row Total IN 63 8. 25 96 EN 79 40 35 154 IS 54 39 22 115 ES 70 45 39 154 Column Total 266 132 121 519 A USE SALT Use a chi-square test to determine if Myers-Briggs preference type is independent of area of study at the 0.05 level of significance. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: Myers-Briggs type and area of study are independent. : Myers-Briggs type and area of study are not independent. O Ho: Myers-Briggs type and area of study are independent. H,: Myers-Briggs type and area of study are independent. O Ho: Myers-Briggs type and area of study are not independent. H,: Myers-Briggs type and area of study are independent. O Ho: Myers-Briggs type and area of study are not independent. H: Myers-Briggs type and area of study are not independent. (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) Are all the expected frequencies greater than 5? Yes O No What sampling distribution will you use? O uniform normal O binomial Student's t O chi-square
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