Answer:
x is gonna be 10 and y is gonna be 7 and 15
Slope is 12/6=2
y+6=2(x+4)
y=2x-2
Answer:
36 ft^3
Step-by-step explanation:
3ft x 2ft = 6ft
6ft x 6ft = 36 ft^3
Answer:
Because it increases the risk of Type 1 error
Step-by-step explanation:
ANOVA is the analysis of the variance .
When comparing more than two treatment means we use ANOVA because a t test increases the risk of type 1 error .
For example if we wish to compare 4 population means there will be 4C2 = 6 separate pairs and to test the null hypothesis that all four population means are equal would require six two sample t test. Similarly to test 10 population mean would require 45 separate two sample t test.
This has two disadvantages .
First the procedure is too lengthy and tediuos.
Second the overall level of significance greatly increases as the number of t- tests increases.
The analysis of the variance compares two different estimates of variance using the F distributionto determine whether the population means are equal.
