Suzette went to the mall with her uncle Louie and ended up having to borrow some money to finish her holiday shopping. Suzette s
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
The equation of a line can be written in several forms. Two of the most-used forms are the point-slope and the slope-intercept forms.
The point-slope form requires to have one point (xo, yo) through which the line passes and the slope m. The equation expressed in this form is:
The slope-intercept form requires to have the slope m and the y-intercept b, or the y-coordinate of the point where the line crosses the y-axis. The equation is:
The line considered in the question has a slope m=6 and passes through the point (8,-2). These data is enough to find the point-slope form of the line:
To find the slope-intercept form, we operate the above equation:
Answer:
We conclude that there has been a significant decrease in the average price homes.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = $220,000
Sample mean, = $210,000
Sample size, n = 81
Significance level, α = 0.051
Population standard deviation, σ = $36,000
First, we design the null and the alternate hypothesis
We use One-tailed z test to perform this hypothesis.
Formula:
Putting all the values, we have
Calculating the p-value from the z-table, we have:
P-value = 0 .00621
Since,
P-value < Significance level
We reject the null hypothesis and accept the alternate hypothesis. Thus, there has been a significant decrease in the average price homes.