I have a hunch that people are getting taller, and I want to test to see if my hunch is true. I selected a random sample of 15 fathers and their adults sons to be in a study. I find that fathers have an average height of 71 inches and their sons have an average height of 73 inches. the standard deviation of the difference betweenn the means is 1.3 set alpha to 0.5
IV ? DV ? H0 ? HA? is this a one tailed or two tailed test ? state the criterion for rejection .... compute and report the test statistic ? make a decision and report conclusion.
I have a hunch that people are getting taller, and I want to test to see...
A researcher randomly selects 6 fathers who have adult sons and records the fathers' and sons' heights to obtain the data shown in the table below. Test the claim that sons are taller than their fathers at the alpha equals 0.10α=0.10 level of significance. The normal probability plot and boxplot indicate that the differences are approximately normally distributed with no outliers so the use of a paired t-test is reasonable. Observation 1 2 3 4 5 6 Height of father...
To test the belief that sons are taller than their fathers, a student ran- domly selects 13 fathers who have adult male children. She records the height (in inches) of both the father and the son in the following table. Are sons taller than their fathers? NOTE: A normal probability plot indicated that the differences (X -Y) are approximately normally distributed with no outliers. 70.4 71.8 70.1 70.2 70.4 69.3 eight of Father, Y eight of Son, X eight of...
AM -vs- PM Height: We want to test the claim that people are taller in the morning than in the evening. Morning height and evening height were measured for 30 randomly selected adults and the difference (morning height) − (evening height) for each adult was recorded. The mean difference was 0.21 cm with a standard deviation of 0.39 cm. Use this information to test the claim that on average people are taller in the morning than in the evening. Test...
AM -vs- PM Height: We want to test the claim that people are taller in the morning than in the evening. Morning height and evening height were measured for 32 randomly selected adults and the difference (morning height) − (evening height) for each adult was recorded. The mean difference was 0.21 cm with a standard deviation of 0.40 cm. Use this information to test the claim that on average people are taller in the morning than in the evening. Test...
to test the believe that songs are taller than their fathers a
student randomly selects 13 fathers who have adult male children
she records the height of both the father and son in inches and
obtains the following data are sons taller than their fathers? use
a=.10 level of significance
Note: normal probability plot in box plot of the data indicate
that the difference are approximately normally distributed with no
outliers
To test the belief that sons are taller than...
It is widely accepted that people are a little taller in the morning than at night. Here we perform a test on how big the difference is. In a sample of 32 adults, the mean difference between morning height and evening height was 5.5 millimeters (mm) with a standard deviation of 1.8 mm. Test the claim that, on average, people are more than 5 mm taller in the morning than at night. Test this claim at the 0.01 significance level....
i need the last question.
Question Help To test the belief that sons are taller than their fathers, a student randomly selects 13 fathers who have adult male children. She records the height of both the father and son in inches and obtains the following data. Are sons taller than their fathers? Use the x = 0.05 level of significance. Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no...
To test the belief that sons are taller than their fathers, a student randomly selects 13 fathers who have adult male children. She records the height of both the father and son in inches and obtains the following data. Are sons taller than their fathers? Use the a = 0.05 level of significance. Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers. Click the icon to view the...
What are the hypotheses for the t test?
Find the test statistic.
Find the critical value(s)
What is the correct conclusion of the hypothesis?
A researcher randomly selects 6 fathers who have adult sons and records the fathers' and sons' heights to obtain the data shown in the table below. Test the claim that sons are taller than their fathers at the o-0.10 level of significance. The normal probability plot and boxplot indicate that the differences are approximately normally distributed...
To test the belief that sons are taller than their fathers, a student randomly selects 13 fathers who have adult male children. She records the height of both the father and son in inches and obtains the following data. Are sons taller than their fathers? Use the a=0.01 level of significance. Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers. Click here to view the table of data....