Question

In: Statistics and Probability

Spent on journey Person's Age 850 39 997 43 993 50 649 59 1265 25 680...

Spent on journey Person's Age
850 39
997 43
993 50
649 59
1265 25
680 38

(a) which is dependent and independent

(b) find (b1)

(c) find (b0)

(d) find sst

(e) find ssr

(f) find sse

(g) find coeficicent determ

(h) find correl coefficient

(i) find mse

(j) find stand error

(k) find t-test for b1 if significant

(l) find 99% conf interval for b1

(m) if 65 age, how much spent?

(n) if 65 what is 90% conf interval

(o) if 65 age, what is 90% prediction interval for expected $$ on journey

Solutions

Expert Solution

a)

Independent variable x =spent on journey

Dependent variable y =person’s age


Related Solutions

The following data are the the weights of 25 students recorded as follows: 39, 43, 36,...
The following data are the the weights of 25 students recorded as follows: 39, 43, 36, 38, 46, 51, 33, 44, 44, 43, 63, 23, 35, 39, 23, 24, 33, 36, 49, 21, 30, 32, 33, 35, 36 Find the Mean, Median, Q1, Q3, IQR, Outliers (If there are no outliers, write "None") a) Without sketching the graph, reason and explain whether the distribution is symmetric or skewed. (b) Draw a sketchplot of this data
Consuela, age 39 and single, furnishes more than 50% of the support of her parents, who...
Consuela, age 39 and single, furnishes more than 50% of the support of her parents, who do not live with her; their only source of income are Social Security benefits of $18,000. Does Consuela qualify for head-of-household filing status? You must support your conclusion by discussing each of the requirements for that filing status and whether they are satisfied in Consuela’s case. This is the entire question. There is no case study.
Age 58 69 43 39 63 52 47 31 74 36 Cholesterol level 189 235 193...
Age 58 69 43 39 63 52 47 31 74 36 Cholesterol level 189 235 193 177 154 191 213 165 198 181 (3) (Continued from Question 2) Based on the sample of 10 men with ages and cholesterol levels given in the table in Question 2, answer the following. (a) At 5% significance level, do the data provide sufficient evidence to conclude that age is useful as a (linear) predictor of cholesterol level? State any assumption(s) you make. (b)...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT