Question

Use the contingency table to the right to complete parts a through c below A B...

Use the contingency table to the right to complete parts a through c below

A

B

Total

1

52

18

70

2

18

12

30

Total

70

30

100






Find the expected frequency for each cell

A

B

Total

1

70

2

30

total

70

30

100

b) Compare the observed and expect frequencies for each cell

Choose the correct answer below

The totals for the observed and expected frequencies are the same.

The observed values are always greater than the expected values

The totals for the observed values are always greater than the totals for the expected values.

The expected values are always greater than the observed values.

C) Compute 2χ2STAT.Is it significant at a=0.010.01​?

rounding to two decimal places.


Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Use the contingency table to the right to complete parts? (a) through? (c) below. A B...
Use the contingency table to the right to complete parts? (a) through? (c) below. A B Total 1 42 18 60 2 18 22 40 Total 60 40 100 a. Find the expected frequency for each cell. A B Total 1 nothing nothing 60 2 nothing nothing 40 Total 60 40 100 ?(Type integers or? decimals.) b. Compare the observed and expected frequencies for each cell. Choose the correct answer below. A. The expected values are always greater than the...
Use the contingency table to the right to complete parts? (a) through? (c) below. A B...
Use the contingency table to the right to complete parts? (a) through? (c) below. A B Total 1 1313 3737 5050 2 3737 3838 7575 Total 5050 7575 125125 a. Find the expected frequency for each cell. A B Total 1 2020 3030 5050 2 3030 4545 7575 Total 5050 7575 125125 ?(Type integers or? decimals.) b. Compare the observed and expected frequencies for each cell. Choose the correct answer below. A. The totals for the observed values are always...
Use the contingency table to the right to complete parts? (a) and? (b) below. A B...
Use the contingency table to the right to complete parts? (a) and? (b) below. A B Total 54 16 70 16 14 30 (Total) 70 30 100 a) What is the value of the test? statistic? b) What is the p-value with an alpha level of .005?
Use the contingency table to the right to calculate the marginal frequencies and find the expected...
Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent. Athlete has Result Stretched Not stretched Injury 17 25 No injury 202 182 ​(a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 17 25 nothing No injury 202 182 nothing Total nothing nothing nothing ​(b) Find the expected frequency for each cell in...
Given the contingency table of observed values below, fill in the second table with the expected...
Given the contingency table of observed values below, fill in the second table with the expected values.  Round the results to one decimal place. Observed values Choice A Choice B Choice C Choice D Category 1 20 11 25 30 Category 2 15 20 18 9 Expected values:
For the data set shown​ below, complete parts ​(a) through ​(d) below. x 20 30 40...
For the data set shown​ below, complete parts ​(a) through ​(d) below. x 20 30 40 50 60 y 100 93 89 85 70 (a) Find the estimates of β0 and β1. β0 ≈b0 = ____ ​(Round to two decimal places as​ needed.) β1 ≈b1 = ____ (Round to two decimal places as​ needed.) ​(b)  Compute the standard​ error, the point estimate for σ. se= ______ ( Rounding to four decimal places) ​(c)  Assuming the residuals are normally​ distributed, determine...
Use the data in the table below to complete parts​ (a) through​ (c). x y 4...
Use the data in the table below to complete parts​ (a) through​ (c). x y 4 27 7 36 9 29 12 32 14 25 18 25 20 22 45 9 ​(a) Construct a scatterplot of the data (b) Identify any possible outliers. (c) Determine if the point is influential.
Using the formula below, compute P(A|C) using the appropriate table values. P(A|B) = P(A Ç B)...
Using the formula below, compute P(A|C) using the appropriate table values. P(A|B) = P(A Ç B)                                P(B) A B C Totals D .20 .03 .07 .30 E .28 .05 .07 .40 F .22 .02 .06 .30 Totals .70 .10 .20 1.00
For the data set shown​ below, complete parts ​(a) through ​(d) below. x 20 30 40...
For the data set shown​ below, complete parts ​(a) through ​(d) below. x 20 30 40 50 60 y 100 97 89 83 70 ​(a) Use technology to find the estimates of beta 0β0 and beta 1β1. beta 0β0almost equals≈b 0b0equals=nothing ​(Round to two decimal places as​ needed.) beta 1β1almost equals≈b 1b1equals=nothing ​(Round to two decimal places as​ needed.)
Complete parts ​(a) through ​(c) below. ​(a) Determine the critical​ value(s) for a​ right-tailed test of...
Complete parts ​(a) through ​(c) below. ​(a) Determine the critical​ value(s) for a​ right-tailed test of a population mean at the alphaα=.10 with 15 degrees of freedom. tcrit= b) Determine the critical​ value(s) for a​ left-tailed test of a population mean at the α=0.05 level of significance based on a sample size of n=20 c) Determine the critical​ value(s) for a​ two-tailed test of a population mean at the α=.01 level of significance based on a sample size of n=18
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT