One sample of n = 20 scores has a mean of M = 50. A second sample of n = 5 score

Question

One sample of n = 20 scores has a mean ofM = 50. A second sample of n = 5 scores has amean of M =10. If the two samples are combined, what isthe mean for the combined sample? How do I solve this problem? I am stuck! Please help. Thankyou! One sample of n = 20 scores has a mean ofM = 50. A second sample of n = 5 scores has amean of M =10. If the two samples are combined, what isthe mean for the combined sample? How do I solve this problem? I am stuck! Please help. Thankyou! How do I solve this problem? I am stuck! Please help. Thankyou!

Explanation / Answer

if 20 numbers have a mean of 50 then the total is 1000 if 5 numbers have a mean of 10 then the total is 50 then add the totals (1000+50) and divide by the total numbersof numbers (20+5) 1050/25= So you get n=25 with the M=42

Related Questions

Navigate

• Browse (All)
• Browse O
• Subjects

---

---

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