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A manufacturer of mobile homes is interested in the ages of buyers of each of the...
The coach of the Dracut Marmosets, another soccer team, wants to determine if a stretching routine...
The coach of the Dracut Marmosets, another soccer team, wants to determine if a stretching routine leads to a greater kicking performance for her team. Below are the distances (in meter) that a random sample of six players were able to kick a soccer ball before and after stretching. Assume that kicking distances are normally distributed. Use a =.05 los. (3 pts each) Player Player Player Player Player Player A B с D E F 74 47 73 68 70...
The goals scored by two soccer teams are approximately normally distributed and independent random samples of...
The goals scored by two soccer teams are approximately normally distributed and independent random samples of 8 games played by each team this season are given in the following table. 2 3 2 1 2 2 3 2 Peabody Dragons Worchester Tree Frogs 2 1 2 1 2 2 1 At the .01 significance level, does the evidence support the claim that the mean number of goals scored by the Dragons this season is greater than the mean number of...
The peak oxygen intake per unit of body weight, called the “aerobic capacity,” of an individual...
The peak oxygen intake per unit of body weight, called the “aerobic capacity,” of an individual performing a strenuous activity is a measure of work capacity. Assume normal distributions. The population standard deviations are given below. For a comparative study, measurements of aerobic capacities are recorded for a group of 20 highland natives from Peru and for a group of 10 from the United States. (3 pts each) ui u2 Peruvians Americans x 46.3 40.5 o 5.0 5.8 n 20...
The city of Wenatchee employs people to assess the value of homes for the purpose of establishing real estate tax. The city manager sends each assessor to the same 5 homes and then compares the result...
The city of Wenatchee employs people to assess the value of homes for the purpose of establishing real estate tax. The city manager sends each assessor to the same 5 homes and then compares the results. The information is given below, in thousands of dollars. Can we conclude that there is a difference in the assessors, at Alpha= .05 Assessor Home Livingston Wilson Eilers Phelps A $51 $55 $49 $45 B $50 $45 $52 $53 C $53 $54 $47 $55...
A manufacturer of colored candies states that 13% of the candies in a bag should be...
A
manufacturer of colored candies states that 13% of the candies in a
bag should be brown 14% yellow 13% red 24% blue 20% orange and 16%
green. a student randomly selected a bag of colored candies he
counted the number of candies of each color and obtain the results
shown in the table test whether the bag of colored candies follows
the distribution stated above at the a=.05 level of signifcance
Color Frequency Claimed Proportion Colored Candies in a...
Example 5: Another made up report ("Stat 1x1 Student Ages") claimed that, "The age of University ...
Can anyone explain where the 252 came from for the
hypotheses?
Example 5: Another made up report ("Stat 1x1 Student Ages") claimed that, "The age of University of Alberta Stat 1x1 students depends on gender." To explore this claim, a poll was conducted by a particular statistics instructor. The results found the following Summary statistics for age (in months): Variance 243.5 2620.582 240.5 1729.273 Mean Std. Dev. gen Female Male 74 51.192 52 41.585 Assuming the individuals were randomly selected...
Would you favor spending more federal tax money on the arts? Of a random sample of...
Would you favor spending more federal tax money on the arts? Of a random sample of n = 93 politically conservative voters, 1 = 17 responded yes. Another random sample of n2 = 78 politically moderate voters showed that r2 - 22 responded yes. Does this information indicate that the population proportion of conservative voters inclined to spend more federal tax money on funding the arts is less than the proportion of moderate voters so inclined? Use a = 0.05....
need 5-9 please Jason believes that the sales of his coffee shop depend upon the weather....
need 5-9 please
Jason believes that the sales of his coffee shop depend upon the weather. He has taken a sample of 5 days Below you are given the results of the sample Temp Cups of coffee sold 700 50 60 500 70 400 80 200 100 90 -You are going to conduct a simple linear regression analysis using this data I. What is the dependent variable? Options-weather,temperature,coffee shops days,cups of coffiee 2. First calculate the value of bl. If...
Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero di...
Recall that Benford's Law claims that numbers chosen from very
large data files tend to have "1" as the first nonzero digit
disproportionately often. In fact, research has shown that if you
randomly draw a number from a very large data file, the probability
of getting a number with "1" as the leading digit is about 0.301.
Now suppose you are an auditor for a very large corporation. The
revenue report involves millions of numbers in a large computer
file....
1.) Recall that Benford's Law claims that numbers chosen from very large data files tend to...
1.) Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero digit disproportionately often. In fact, research has shown that if you randomly draw a number from a very large data file, the probability of getting a number with "1" as the leading digit is about 0.301. Now suppose you are an auditor for a very large corporation. The revenue report involves millions of numbers in a large computer...
The coach of the Dracut Marmosets, another soccer team, wants to determine if a stretching routine leads to a greater kicking performance for her team. Below are the distances (in meter) that a random sample of six players were able to kick a soccer ball before and after stretching. Assume that kicking distances are normally distributed. Use a =.05 los. (3 pts each) Player Player Player Player Player Player A B с D E F 74 47 73 68 70...
The goals scored by two soccer teams are approximately normally distributed and independent random samples of 8 games played by each team this season are given in the following table. 2 3 2 1 2 2 3 2 Peabody Dragons Worchester Tree Frogs 2 1 2 1 2 2 1 At the .01 significance level, does the evidence support the claim that the mean number of goals scored by the Dragons this season is greater than the mean number of...
The peak oxygen intake per unit of body weight, called the “aerobic capacity,” of an individual performing a strenuous activity is a measure of work capacity. Assume normal distributions. The population standard deviations are given below. For a comparative study, measurements of aerobic capacities are recorded for a group of 20 highland natives from Peru and for a group of 10 from the United States. (3 pts each) ui u2 Peruvians Americans x 46.3 40.5 o 5.0 5.8 n 20...
A
manufacturer of colored candies states that 13% of the candies in a
bag should be brown 14% yellow 13% red 24% blue 20% orange and 16%
green. a student randomly selected a bag of colored candies he
counted the number of candies of each color and obtain the results
shown in the table test whether the bag of colored candies follows
the distribution stated above at the a=.05 level of signifcance
Color Frequency Claimed Proportion Colored Candies in a...
Can anyone explain where the 252 came from for the
hypotheses?
Example 5: Another made up report ("Stat 1x1 Student Ages") claimed that, "The age of University of Alberta Stat 1x1 students depends on gender." To explore this claim, a poll was conducted by a particular statistics instructor. The results found the following Summary statistics for age (in months): Variance 243.5 2620.582 240.5 1729.273 Mean Std. Dev. gen Female Male 74 51.192 52 41.585 Assuming the individuals were randomly selected...
Would you favor spending more federal tax money on the arts? Of a random sample of n = 93 politically conservative voters, 1 = 17 responded yes. Another random sample of n2 = 78 politically moderate voters showed that r2 - 22 responded yes. Does this information indicate that the population proportion of conservative voters inclined to spend more federal tax money on funding the arts is less than the proportion of moderate voters so inclined? Use a = 0.05....
need 5-9 please
Jason believes that the sales of his coffee shop depend upon the weather. He has taken a sample of 5 days Below you are given the results of the sample Temp Cups of coffee sold 700 50 60 500 70 400 80 200 100 90 -You are going to conduct a simple linear regression analysis using this data I. What is the dependent variable? Options-weather,temperature,coffee shops days,cups of coffiee 2. First calculate the value of bl. If...
Recall that Benford's Law claims that numbers chosen from very
large data files tend to have "1" as the first nonzero digit
disproportionately often. In fact, research has shown that if you
randomly draw a number from a very large data file, the probability
of getting a number with "1" as the leading digit is about 0.301.
Now suppose you are an auditor for a very large corporation. The
revenue report involves millions of numbers in a large computer
file....
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Patterson Development sometimes sells property on an installment
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please help with these two example, i want to double check my
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