One sample has n = 7 scores with SS = 40, and a second sample has ...

[roselinechinyere27m]

One sample has n = 7 scores with SS = 40, and a second sample has n = 5 scores with SS = 80.The pooled variance for these two samples is 120/10 = 12.
 
  Indicate whether the statement is true or false

Question 2

If it is appropriate to present a distribution of scores in a polygon, then it would also be appropriate to present the scores in a bar graph.
 
  Indicate whether the statement is true or false

[yasmin]

Answer to Question 1

True

Answer to Question 2

False

[roselinechinyere27m]

Thank you

[yasmin]

No problem