A researcher claims that the number of homicide crimes by season is uniformly distributed. To test this claim, you randomly select 1,184 homicides from a recent year and record the season when each happened. The table shows the results. At α = 0.05, test the researcher's claim. Season Frequency, f Spring 301 Summer 311 Fall 290 Winter 282 State H0 and Ha and identify the claim. H0: The distribution of the number of homicide crimes by season Ha: The distribution of the number of homicide crimes by season. Calculate the test statistic. χ2=____________ Determine the P-value. P-value=_______________ Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.
|
A researcher claims that the number of homicide crimes by season is uniformly distributed. To test this claim, you randomly select 1,184 homicides from a recent year and record the season when each happened. The table shows the results. At α = 0.05, test the researcher's claim.
|
Season
|
Frequency, f
|
|
|
|
Spring
|
301
|
|||
|
Summer
|
311
|
|||
|
Fall
|
290
|
|||
|
Winter
|
282
|
State
H0
and
Ha
and identify the claim.
H0:
The distribution of the number of homicide crimes by season
Ha:
The distribution of the number of homicide crimes by season.
Calculate the test statistic. χ2=____________
Determine the P-value. P-value=_______________
Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 14 images
Conclusion :
There is insufficient evidence to reject the claim that the no. of homicide crimes by season is uniformly distributed.
by Bartleby Expert
