STUDY YEARS 13,00 ANNUAL INCOMES 74190,00 12,00 80931,00 11,00 81314,00 11,00 73089,00 11,00 62023,00 10,00 61217,00...
|
STUDY YEARS 13,00 |
ANNUAL INCOMES 74190,00 |
|
12,00 |
80931,00 |
|
11,00 |
81314,00 |
|
11,00 |
73089,00 |
|
11,00 |
62023,00 |
|
10,00 |
61217,00 |
|
11,00 |
84526,00 |
|
11,00 |
87251,00 |
|
12,00 |
62659,00 |
|
10,00 |
76450,00 |
|
12,00 |
70512,00 |
|
9,00 |
78858,00 |
|
13,00 |
78628,00 |
|
14,00 |
86212,00 |
|
9,00 |
74962,00 |
|
11,00 |
58828,00 |
|
10,00 |
61471,00 |
|
12,00 |
78621,00 |
|
9,00 |
60071,00 |
|
12,00 |
21458,00 |
|
10,00 |
55868,00 |
|
12,00 |
84898,00 |
|
9,00 |
36897,00 |
|
13,00 |
45895,00 |
|
14,00 |
99000,00 |
|
12,00 |
27580,00 |
|
11,00 |
21450,00 |
|
11,00 |
57000,00 |
|
11,00 |
95000,00 |
|
10,00 |
87500,00 |
Based on the data set above what is the null hyphothesis?
(If the research hyphothesis is = the more study years you have the more income you will have)
Homework Answers
the null hypothesis H0 is the mean of the data given
for
H0: μ1 = μ2
H0 = the null hypothesis,
μ1 = the mean Study years , and
μ2 = the mean of ANNUAL INCOMES.
Add Answer to:
STUDY YEARS
13,00
ANNUAL INCOMES
74190,00
12,00
80931,00
11,00
81314,00
11,00
73089,00
11,00
62023,00
10,00
61217,00...
The annual incomes for a random sample of 16 engineers working in Dubai have a standard...
The annual incomes for a random sample of 16 engineers working in Dubai have a standard deviation of $14,900. The annual incomes for a random sample of 17 engineers working in Abu Dhabi have a standard deviation of $9600. Using this information, can you conclude that the standard deviation of the annual incomes for engineers is greater in Dubai than in Abu Dhabi? Use = 0:05: a. Identify the claim and state H0 and Ha: b. Find the critical value...
Example 2.9 In a certain large city, household annual incomes are considered approximately normally distributed with...
Example 2.9 In a certain large city, household annual incomes are considered approximately normally distributed with a mean of s40,o00 and a standard deviation of s6,ooo. What proportion of households in the city have an annual income over $30,0oo? . If a random sample of 6o households were selected, how many of these households would we expect to have annual incomes . between $35,000 and $45,000?
10. (20 pts) A study wants to know how the years of education affects annual income....
10. (20 pts) A study wants to know how the years of education affects annual income. The following shows the data for four individuals: Years of education Annual income in thousand dollars) 12 32 16 41 14 18 40 51 (a) Use formula to find the regression equation. (b) Predict the annual income for an individual with 15 years of education. (Note: Using formula means using the method in the Course Content, not just getting the final answer from calculator,...
10. (20 pts) A study wants to know how the years of education affects annual income....
10. (20 pts) A study wants to know how the years of education affects annual income. The following shows the data for four individuals: Years of education 12 16 14 Annual income (in thousand dollars) 32 41 40 51 18 (a) Use formula to find the regression equation. (b) Predict the annual income for an individual with 15 years of education, (Note: Using formula means using the method in the Course Content, not just getting the final answer from calculator,...
A sample of 500 part-time studebts revealed that their annual incomes were a mean income of...
A sample of 500 part-time studebts revealed that their annual incomes were a mean income of $30,000 and a standard deviation of $3,000. The number of students who earned more than $36,000 was appendix); remember that the area you are looking for is in the right tail; then apply this area to the normally distributed with Hints: Find the z value (use the Area under the Normal Curve total number of students. Please show how you get the z value....
A very small town has only 15 households and they have the following annual incomes: $52,000,...
A very small town has only 15 households and they have the following annual incomes: $52,000, $22,000, $92,000, $8,000, $118,000, $62,000, $38,000, $14,000, $132,000, $46,000, $26,000, $96,000, $54,000, $110,000, $80,000. Based on this information, answer the following: a) Calculate the share of total income received by each quintile of this income distribution. Show your work! b) Do the top and bottom quintiles in this distribution have a greater or larger share of total income than the top and bottom quintiles...
1. Suppose your boss makes a statement that American children study more hours per week than...
1. Suppose your boss makes a statement that American children study more hours per week than Brazilian children. You think American children study less. You do some research and find that a sample of 41 American children study an average of 6.2 hours per week and a sample of 46 Brazilian children study an average of 8.5 hours per week. The standard deviation for the American children is 3.1 hours and the standard deviation for the Brazilian children is 2.4...
25) Along with incomes, people's charitable contributions have steadily increased over the past few years. The...
25) Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998. Find the average annual increase between 1995 and 1997. Year Charitable Contributions 1993 $1990 1994 $2430 1995 $2480 1996 $2830 1997 $3040 1998 $3170
You are asked to study the causal effect of education (measured in years) on wage rate...
You are asked to study the causal effect of education (measured in years) on wage rate (dollars per hour). Describe: An ideal randomized controlled experiment to measure this causal effect An observational cross-sectional data set with which you could study this effect An observational time series data set for studying this effect An observational panel data set for studying this effect
Ten years ago, the town of Easton decided to increase its annual spending on education so...
Ten years ago, the town of Easton decided to increase its annual spending on education so that its high school graduates would be able to earn higher wages. Now Easton has asked you to evaluate the effectiveness of the spending increase. Their data show that before the spending increase, the average annual salary of recent high school graduates was $25,000 and that now that average salary has risen to $28,500. Fortunately for your analysis, a neighboring community (Allentown) did not...
Example 2.9 In a certain large city, household annual incomes are considered approximately normally distributed with a mean of s40,o00 and a standard deviation of s6,ooo. What proportion of households in the city have an annual income over $30,0oo? . If a random sample of 6o households were selected, how many of these households would we expect to have annual incomes . between $35,000 and $45,000?
10. (20 pts) A study wants to know how the years of education affects annual income. The following shows the data for four individuals: Years of education Annual income in thousand dollars) 12 32 16 41 14 18 40 51 (a) Use formula to find the regression equation. (b) Predict the annual income for an individual with 15 years of education. (Note: Using formula means using the method in the Course Content, not just getting the final answer from calculator,...
10. (20 pts) A study wants to know how the years of education affects annual income. The following shows the data for four individuals: Years of education 12 16 14 Annual income (in thousand dollars) 32 41 40 51 18 (a) Use formula to find the regression equation. (b) Predict the annual income for an individual with 15 years of education, (Note: Using formula means using the method in the Course Content, not just getting the final answer from calculator,...
25) Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998. Find the average annual increase between 1995 and 1997. Year Charitable Contributions 1993 $1990 1994 $2430 1995 $2480 1996 $2830 1997 $3040 1998 $3170
Most questions answered within 3 hours.
-
Tennis champion Maria Sharapova is capable of serving a tennis
ball at 126 mph.
b) What...
asked 1 minute ago -
The electric potential V in the space between the plates of a
given vacuum tube is...
asked 10 minutes ago -
The Hydroboration-Oxidation of an Alkene to Yield 1-Octanol.
1-octene to 1-octanol using BH3-THF
What might be...
asked 15 minutes ago -
You draw and keep a single bill from a hat that contains a
$11, $55, $20...
asked 32 minutes ago -
Write a Java program that has the following methods:
findSum - a method that takes in...
asked 33 minutes ago -
A coffee cup calorimeter initially contains 135g of water at
22.0oC. Calcium chloride (21.0g) at the...
asked 37 minutes ago -
A patient is having a magnetic resonance imaging scan (an MRI)
and has neglected to remove...
asked 39 minutes ago -
A student takes a multiple-choice test that has 10 questions.
Each question has two choices. The...
asked 1 hour ago -
Willie Keeler has a lifetime batting average of 0.341. Assume
that Willie Keeler came to bat...
asked 1 hour ago -
Which of the following has the highest boiling point?
A) 0.5m NaCl
B) 0.5m C6H12O6
C)...
asked 1 hour ago -
12. A firm is producing at an output level where
AR = MC > AC >...
asked 1 hour ago -
Radovilsky Manufacturing Company, in Hayward, California,
makes flashing lights for toys. The company operates its production...
asked 1 hour ago