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

Author Question: An elementary school principal wants to know the mean number of children in families whose children ... (Read 231 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Aug 30, 2019
An elementary school principal wants to know the mean number of children in families whose children attend this school. He checks all the families using the school's registration records, and we use the computer to create a 95% confidence interval based on a t-distribution. This procedure was not appropriate. Why?
◦ The recent record-setting family with twelve children is probably an outlier.
◦ At a given school families are not randomly selected.
◦ The entire population of families was gathered so there is no reason to do inference.
◦ The population standard deviation is known, so he should have used a z-model.
◦ Since these families are from only one school, the family sizes may be skewed.
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by V@ndy87 on Aug 30, 2019

epscape

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 30, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Aug 30, 2019
:D TYSM

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

These school-age childrean are eating a health snack These school-age childrean are eating a health snack
Children in a kibbutz. Children in a kibbutz.
Estimated Number of New Sexually Transmitted Infections Estimated Number of New Sexually Transmitted Infections
The distribution of cones and rods over the human retina. The figure illustrates the number of cones ... The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...
Trends in employed mothers with a child/children younger than 3 years of age Trends in employed mothers with a child/children younger than 3 years of age
Determination of the Number of Polygenes (n) Determination of the Number of Polygenes (n)
Video: Cellular Respiration & Glucose Mobilization (Glucose transport & Phosphorylation of Glucose)

For a complete list of videos, visit our video library