40 Semple se Ahe O Let OBot Tel/side Notice that there is a slig the value in step 4. Check Your Pro TIIII A hog raiser in a certain farming, where pigs are ho extensive pig farming, whe the hypothesis whether or: than the extensive farming data shown below. Use a or Intensive far Extensive far

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Author:Amos Gilat
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Mean
09% con
5,000
Stenderd devistion 7,000
upper
lower
40
45
Semple size
The wo samples are significantly different
0.01
Aphe
Tel/side
O Left
Both Right
Calculate Reset
Notice that there is a slight difference in the values of z because of the rounding-off of
the value in step 4.
Check Your Progress
A hog raiser in a certain province uses two methods of pig-farming: intensive pig
farming, where pigs are housed indoors in group-housing or straw-lined sheds; and
extensive pig farming, where pigs are allowed to wander around the farm or fence. Test
the hypothesis whether or not the mean weight of pigs in intensive farming is better
than the extensive farming based from the mean weight of the pigs in the sample with
data shown below. Use a one-tailed test at a = 1%.
%3D
Intensive farming: = 85 kg, s = 10 kg, n = 55
%3D
3D55
Extensive farming: X2 = 79 kg,
s = 6 kg, n2 = 45
%3D
%3D
%3D
Transcribed Image Text:Mean 09% con 5,000 Stenderd devistion 7,000 upper lower 40 45 Semple size The wo samples are significantly different 0.01 Aphe Tel/side O Left Both Right Calculate Reset Notice that there is a slight difference in the values of z because of the rounding-off of the value in step 4. Check Your Progress A hog raiser in a certain province uses two methods of pig-farming: intensive pig farming, where pigs are housed indoors in group-housing or straw-lined sheds; and extensive pig farming, where pigs are allowed to wander around the farm or fence. Test the hypothesis whether or not the mean weight of pigs in intensive farming is better than the extensive farming based from the mean weight of the pigs in the sample with data shown below. Use a one-tailed test at a = 1%. %3D Intensive farming: = 85 kg, s = 10 kg, n = 55 %3D 3D55 Extensive farming: X2 = 79 kg, s = 6 kg, n2 = 45 %3D %3D %3D
6. Formulate null and alternative hypotheses.
7. Write the test statistic, the level of significance and the one-tailed test.
8. Determine the critical value of the test statistic.
alqmca
9. Find the computed value of the test statistic.
10. What is the correct decision and conclusion?
i ni eolqmsedo
0.9d
of "e9
the Difference in Proportions
Transcribed Image Text:6. Formulate null and alternative hypotheses. 7. Write the test statistic, the level of significance and the one-tailed test. 8. Determine the critical value of the test statistic. alqmca 9. Find the computed value of the test statistic. 10. What is the correct decision and conclusion? i ni eolqmsedo 0.9d of "e9 the Difference in Proportions
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