Question

You want to study incomes in a large city. You take a simple random sample of 5012 households and find that the distribution of household incomes is skewed right. If you calculate the mean of the 5012 household incomes will the distribution of mean scores be skewed right as well? Hint: this involves the Central Limit Theorem.

262

likes
1311 views

Answer to a math question You want to study incomes in a large city. You take a simple random sample of 5012 households and find that the distribution of household incomes is skewed right. If you calculate the mean of the 5012 household incomes will the distribution of mean scores be skewed right as well? Hint: this involves the Central Limit Theorem.

Expert avatar
Hank
4.8
106 Answers
To determine whether the distribution of mean scores will be skewed right, we need to consider the Central Limit Theorem. According to the Central Limit Theorem, if we have a large enough sample size, the distribution of sample means will approximate a normal distribution, regardless of the shape of the original population distribution.

In this case, we have a simple random sample of 5012 households, which is considered to be a large sample size. Therefore, we can assume that the distribution of mean incomes will be approximately normal.

Answer: No, the distribution of mean scores will not be skewed right. It will resemble a normal distribution due to the Central Limit Theorem.

Frequently asked questions (FAQs)
What is the value of f(x) when x = e^2, for f(x) = log x / ln x?
+
What is the radius of a circle whose equation is given by the function x^2 + y^2 = 25?
+
What is the domain and range of the cubic function f(x) = x^3?
+
New questions in Mathematics
A=m/2-t isolate t
Find the measures of the sides of βˆ†KPL and classify each triangle by its sides k (-2,-6), p (-4,0), l (3,-1)
4X^2 25
4x-3y=5;x+2y=4
If f(x,y)=6xy^2+3y^3 find (∫3,-2) f(x,y)dx.
The equation of the straight line that passes through the coordinate point (2,5) and is parallel to the straight line with equation x 2y 9 = 0 is
find x in the equation 2x-4=6
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
determine the polynomial F of degree 2 that interpolates. f at points (0;1) (2;5) (4;6). calculate F(0.8). Note: Using the polynomial expression with difference operator.
show step by step simplification: (Β¬π‘‘βˆ¨((Β¬b∧c)∨(b∧¬c)))∧((π‘Ž ∧ 𝑏) ∨ (Β¬π‘Ž ∧ ¬𝑏))∧(Β¬π‘βˆ¨((Β¬π‘‘βˆ§π‘Ž)∨(π‘‘βˆ§Β¬π‘Ž)))
Solve the following equation for x in exact form and then find the value to the nearest hundredths (make sure to show your work): 5e3x – 3 = 25
The function h(t)=-5t^2+20t+60 models the height in meters of a ball t seconds after it’s thrown . Which describe the intercepts and vertex of this function
Determine the increase of the function y=4xβˆ’5 when the argument changes from x1=2 to x2=3
If the regression equation is given by 4x –y + 5 = 0, then the slope of regression line of y on x is
A popular cell phone family plan provides 1500 minutes. It charges 89.99/month for the first 2 lines and 9.99 for every line after that. Unlimited text messages for all phone lines costs $30.00/month, and Internet costs $10.00/month per phone line. If a family with a $200 monthly budget buys this plan and signs up for unlimited text messaging and Internet on each phone line, how many cell phone lines can they afford? Use an inequality to solve this problem. Graph your solution on the number line and explain the meaning of your graph in a sentence.
Find the zero of the linear function 8x + 24 = 0
The mean of 4 numbers is 5 and the mean of 3 different numbers is 12. What is the mean of the 7 numbers together? Produce an algebraic solution. Guess and check is acceptable.
A rectangular swimming pool has a length of 14 feet, a width of 26 feet and a depth of 5 feet. Round answers to the nearest hundredth as needed. (a) How many cubic feet of water can the pool hold? cubic feet (b) The manufacturer suggests filling the pool to 95% capacity. How many cubic feet of water is this? cubic feet
97,210 βž— 82 division
Find the number of liters of water needed to reduce 9 liters of lotion. shave containing 50% alcohol to a lotion containing 30% alcohol.