Сагрeted Uncarpeted 6.5 12.6 72 7.2 15.3 4 10 11.5 88 7.3 10.9 7.3 11.8 72 5.1 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. O A. Ho: H <2 H,: H, 2 O B. Ho: H1 =2 OC. Ho: H1 = 2 H: H 2

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A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms.
Carpeted
7.2
Full data set o
Uncarpeted
6.5 12.6
7.2
15.3
4
7.3
10.9
7.2
7.3
11.8
10
11.5
8.8
5.1
8.8
Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers.
State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms.
O A. Ho: H1 <H2
O B. Ho: H1 = H2
OC. Ho: H1 = H2
O D. Ho: H1 = H2
Determine the P-value for this hypothesis test.
P-value = (Round to three decimal places as needed.)
State the appropriate conclusion. Choose the correct answer below.
O A. Reject Hn. There is not significant evidence at the a = 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms.
O B. Reject Ha. There is significant evidence at the a= 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms.
OC. Do not reject Hg. There is significant evidence at the a= 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms.
n, Do nnt roinst u
Thore is not cinnificont curilonce at tho -0 05 loual of cinnificonon to concludn that cornotad roome haun more hactorin than uncarnoted rooms
Click to select your answer(s).
9:41 AM
12/21/2020
Transcribed Image Text:Question Help ▼ A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Carpeted 7.2 Full data set o Uncarpeted 6.5 12.6 7.2 15.3 4 7.3 10.9 7.2 7.3 11.8 10 11.5 8.8 5.1 8.8 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. O A. Ho: H1 <H2 O B. Ho: H1 = H2 OC. Ho: H1 = H2 O D. Ho: H1 = H2 Determine the P-value for this hypothesis test. P-value = (Round to three decimal places as needed.) State the appropriate conclusion. Choose the correct answer below. O A. Reject Hn. There is not significant evidence at the a = 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms. O B. Reject Ha. There is significant evidence at the a= 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms. OC. Do not reject Hg. There is significant evidence at the a= 0.05 level of significance to conclude that carpeted rooms have more bacteria than uncarpeted rooms. n, Do nnt roinst u Thore is not cinnificont curilonce at tho -0 05 loual of cinnificonon to concludn that cornotad roome haun more hactorin than uncarnoted rooms Click to select your answer(s). 9:41 AM 12/21/2020
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