b) The F statistic for one factor is
At 5% level of significance, we reject H0 if
Here,
Since F statistic , so we fail to reject H0 at 5% level of significance.
ans-> No
One particular morming, the length of time spent in the examination rooms is recorded for each...
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. Full data set o Carpeted | Uncarpeted 10 14.5 12.4 || 7.1 13.1 4.7 6.4 8.7 8.7 || 4.6 13 7.9 15.2 6.3 11.6 7.5 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a= 0.01 level of significance. Normal probability plots indicate that the...
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 6.4 7.4 9.5 8.2 15.9 12.6 13.2 11.6 Full data set Uncarpeted 6.2 4.2 8.1 12.9 4.5 11.9 11.1 4.4 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.01 level of significance. Normal probability plots indicate that the data are approximately...
Please round to 3 decimal places Consider the accompanying data collected for a two-way ANOVA Click the icon to view the data table a) Using a b) Using c) Using a 0.025, are the Factor B means different? = 0.025, is there significant interaction between Factors A and B? a = 0.025, are the Factor A means different? a) Using a 0.025, is there significant interaction between Factors A and B? Identify the hypotheses for the interaction between Factors A...
You are given two random samples with the information shown below. Use a significance level of 0.05 for testing the hypothesis that Hy oso Item 1 Sample 1 119 Sample 2 10.5 2 139 98 3 11.5 8.5 4 119 6.7 50 14.3 11.5 State the null and alternative hypotheses Choose the correct answer below. O A. Ho of so O B. Ho o so Oc. Họ gì so OD. Ho of so HA 0² 203 HA 0 0 HA...
11. Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 4 5 6 7 8 X 50.1 49.4 50.2 44.1 51.4 51.8 50.6 46.9 Y 53.5 49.3 53.3 48.2 51,2 51.7 54.4 48.5 (a) Determine d = X - Y, for each pair of data. 2 3 4 5 6 7 Observation 1 di (Type integers or decimals.) (b) Computed and sa da (Round to three decimal places as needed.) Sg =...
please solve and highlight answers Is this sample of 25 exam scores inconsistent with the hypothesis that the true variance IS 64 LO, O-8? Use the 5 percent level of significance in a two-called test. Show all steps. Including the hypotheses and critical values from Appendix 70 67 60 86 Click here for the Excel Data File (a) Choose the correct null and alternative hypothes a. Ho-64 vs. Hy 02 - 54 b. Mo: 0264 vs. M: 02 64 C....
The length of time in yours took a random sample of 32 forkers to quit smoking permanentyrested in the population standard deviation is 630.00, is there enough evidence to the claim that the man time to smokers to gut smoking permanenty i 13 yos? Complete parts) 127 87 104 123 103 174 117 22.10 165 159 204 16.5 144 174 15.1 162 223 10.7 17.5 16.7 107 224 32 156 112184 11.1 1 197 2211553 (a) Identity the chain and...
Homework > Homework 6.3 You are conducting a Goodness of Fit hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Report all answers correct to three decimal places. Category Observed Expected (obs-exp)2/exp Frequency Frequency A 21 B 15 c 10 D 23 E 20 What is the chi-square test statistic for this data? x At the alpha 0.05 level, what is the conclusion for this test? Fail to reject the null...
Hypothesis Tests for Means 11. In one year, an online travel agency reported that summer travelers booked their airline reservations an average of 71.1 days in advance. A random sample of 40 summer travelers in a later year was selected, and the number of days travelers booked their airline reservations in advance was recorded. The data are shown in the accompanying table. Complete parts a and b below. Click the icon to view the data table. a. Perform a hypothesis...
11. Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation X Y 1 52.6 53.3 2 52.5 3 44.4 4 44.0 48.4 5 55.1 6 464 7 478 50.5 B 50.4 52.6 51.8 49.5 54.3 49.2 (a) Determine d = XY, for each pair of data. 2 5 6 7 Observation d (Type integers or decimals.) (b) Computed and s. (Round to three decimal places as needed.) Sa (Round to three decimal places as needed.)...