[Answered] Which of the following symbols represents the standard deviation of a population? a. 2 b. c. ...

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Author Question: Which of the following symbols represents the standard deviation of a population? a. 2 b. c. ... (Read 33 times)

deesands

Hero Member
Posts: 514

on: Jun 24, 2018

Which of the following symbols represents the standard deviation of a population?
a. 2
b.
c.
d. x

Question 2

A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240 . The t value needed to develop the 95 confidence interval for the population mean SAT score is
a. 1.96.
b. 1.998.
c. 1.645.
d. 1.28.

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cloud

Sr. Member
Posts: 343

Reply #1 on: Jun 24, 2018

Answer to Question 1

b

Answer to Question 2

b

deesands

Member
Posts: 514

Reply 2 on: Jun 24, 2018

Gracias!

jordangronback

Member
Posts: 339

Reply 3 on: Yesterday

TYSM

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