shiela is a big fan of foxes and has studied the weight of young foxes of a certain type at birth. She is interested in examining whether there is a difference in the weight (weight in weight) of urchins by sex at birth. She therefore conducts the following study. She randomly selected 15 female and 15 male urchins and weighed them. The average weight of the male urchins was 1.23 kgand the variance 0.3, but the average weight of the female urchins was 1.13 kg and the variance 0.4. Let's call the male urchins group 1. It can be assumed that the weight of urchins at birth follows a normal distribution. 1.What is the alternative hypothesis in shielas hypothesis test? а. Н1:ц1-и2#0 b. H1:u1-u2<0 c. H1:u1-µ2>0 d. H1:uD#0 е. Н1:ц1-и2-0 Question 2 also deals with shielas experiment. What is the value of the test statistic that shiela should use to examine whether there is a difference in the average weight of urchins by sex? а. 1.96 b. 0.78 C. 0.46 d. 1.27 е. -4.00

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shiela is a big fan of foxes and has studied the weight of young foxes of a certain type at
birth. She is interested in examining whether there is a difference in the weight (weight in
weight) of urchins by sex at birth. She therefore conducts the following study. She randomly
selected 15 female and 15 male urchins and weighed them. The average weight of the male
urchins was 1.23 kgand the variance 0.3, but the average weight of the female urchins was
1.13 kg and the variance 0.4. Let's call the male urchins group 1.
It can be assumed that the weight of urchins at birth follows a normal distribution.
1.What is the alternative hypothesis in shielas hypothesis test?
a. H1:u1-µ2#0
b. H1:u1-µ2<0
с. Н1:ц1-и2>0
d. H1:uD#0
е. Н1:и1-и2-0
Question 2 also deals with shielas experiment.
What is the value of the test statistic that shiela should use to examine whether there is a
difference in the average weight of urchins by sex?
а. 1.96
b. 0.78
c. 0.46
d. 1.27
е. -4.00
Transcribed Image Text:shiela is a big fan of foxes and has studied the weight of young foxes of a certain type at birth. She is interested in examining whether there is a difference in the weight (weight in weight) of urchins by sex at birth. She therefore conducts the following study. She randomly selected 15 female and 15 male urchins and weighed them. The average weight of the male urchins was 1.23 kgand the variance 0.3, but the average weight of the female urchins was 1.13 kg and the variance 0.4. Let's call the male urchins group 1. It can be assumed that the weight of urchins at birth follows a normal distribution. 1.What is the alternative hypothesis in shielas hypothesis test? a. H1:u1-µ2#0 b. H1:u1-µ2<0 с. Н1:ц1-и2>0 d. H1:uD#0 е. Н1:и1-и2-0 Question 2 also deals with shielas experiment. What is the value of the test statistic that shiela should use to examine whether there is a difference in the average weight of urchins by sex? а. 1.96 b. 0.78 c. 0.46 d. 1.27 е. -4.00
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