A program to decrease littering was carried out in four cities in California\'s

Question

A program to decrease littering was carried out in four cities in California's Central Valley starting in August 2003. The amount of litter in the streets (average pounds of litter collected per block per day) was measured during the July before the program was started and then the next July, after the program had been in effect for a year. The results were as follows: CityJuly 2003 July 2004 Fresno 9 Merced 10 2 4 Bakersfield 8 Stockton 9 Assume a 0.05, was there a significant decrease in the amount of litter? Q39. What is Zobs (or tobs? O -2.16 0.05 0-2.45 O 2.16

Explanation / Answer

The correct answer is Option A. Since there was a significant decrease in the amount of litter, we can assume the value to be -2.16.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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