Answer:
the cost will be Rs 350
Step-by-step explanation:
The Scateboard cost Rs 450 each in the local store,The shop keeper says if I buy 1 I can buy another for only of the normal price. We are asked to determine the cost of a second scateboard .
Hence the cost will be of the normal cost that is
the cost will be Rs 350
Answer:
Yes. The male and female consumers differ in the amounts they spend.
Step-by-step explanation:
We can express the null and alternative hypothesis as:
It is assumed a significance level of 0.05.
The standard deviation of the difference of means is calculated as:
The test statistic is
The degrees of freedom are:
The P-value for t=10.11 is P=0, so it is smaller than the significance level. The null hypothesis is rejected.
We can conclude that male and female consumers differ in the amounts they spend.