This topic contains a solution. Click here to go to the answer

Author Question: A random sample of nine telephone calls in an office provided the following information.Call ... (Read 46 times)

lrhoads

  • Full Member
  • ***
  • Posts: 158

A random sample of nine telephone calls in an office provided the following information.

 


Call Number

Duration
(In Minutes)


Type of Call

1

3

local

2

8

long distance

3

4

local

4

3

local

5

5

long distance

6

6

local

7

3

local

8

5

local

9

8

local


 

a.Determine the point estimate for the average duration of all calls.
b.What is the point estimate for the standard deviation of the population?
c.Determine the standard error of the mean.
d.What is the point estimate for the proportion of all calls that were long distance?
e.Determine the standard error of proportion.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by lrhoads on Mar 25, 2023

SphnxKickin

  • Full Member
  • ***
  • Posts: 165
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




lrhoads

  • Member
  • Posts: 158
Reply 2 on: Mar 25, 2023
Excellent


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library