This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Assume that the histogram of a data set is symmetric and bell shaped, with a mean of 75 and standard ... (Read 148 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
Assume that the histogram of a data set is symmetric and bell shaped, with a mean of 75 and standard deviation of 10 . Then, approximately 95 of the data values were between 55 and 95.
 a. True
  b. False
   Indicate whether the statement is true or false

Question 2

The pooled-variances t-test requires that the two population variances need not be the same.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

F


B

  • Member
  • Posts: 570
Reply 2 on: Jun 24, 2018
Gracias!

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988). Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988).
Lake position in the landscape and proportion of water received as groundwater (data from Webster et Lake position in the landscape and proportion of water received as groundwater (data from Webster et
Dimensions for gathering data Dimensions for gathering data
An example of a Material Safety Data Sheet (MSDS). An example of a Material Safety Data Sheet (MSDS).
Stethoscope with both a bell-shaped and flat-disc amplifier Stethoscope with both a bell-shaped and flat-disc amplifier
Data for a Hypothetical Paternity Test Using 13 CODIS Genes Data for a Hypothetical Paternity Test Using 13 CODIS Genes
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library