214 points 1 Previous Answers PODStal4 11 E 010 Each person in a random sample o

Question

214 points 1 Previous Answers PODStal4 11 E 010 Each person in a random sample of 226 male teenagers and a random sample of 306 female teenagers was asked how many value, Use Pmales-females. Round your test two decimal My Notes O Ask Your Teache 306 female teenagers was asked how many hours he or she spent online in a typical week d deviation were 15.3 hours and 11.3 hours for males and 14,3 and 11.7 for females. (Use a statistical computer package to calculate the P. statistic to two decimal places, your df down to the nearest whole number, and your Pivalue to three decimal places.) t-0 995 df -530 P-1.96 female teenagers? Use a o.05 significance Is there enough evidence to show that mean number of hours spent online in a typical week is greater for male teenagers than for level. Yes No

Explanation / Answer

The statistical software output for this problem is:

Two sample T summary hypothesis test:
1 : Mean of Population 1
2 : Mean of Population 2
1 - 2 : Difference between two means
H0 : 1 - 2 = 0
HA : 1 - 2 0
(without pooled variances)

Hypothesis test results:

Hence,

Df = 494

P = 0.321

Difference Sample Diff. Std. Err. DF T-Stat P-value 1 - 2 1 1.0061575 493.92575 0.99388017 0.3208

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.