« previous next »

Author Question: The interquartile range is used as a measure of variability to overcome what difficulty of the ... (Read 68 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
The interquartile range is used as a measure of variability to overcome what difficulty of the range?
 a. The sum of the range variances is zero.
  b. The range is difficult to compute.
  c. The range is influenced too much by extreme values.
  d. The range is negative.

Question 2

A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22 . The population standard deviation is known to equal 4.8 . The 95.44 confidence interval for the population mean is
 a. 15.2 to 24.8.
   b. 19.20 to 20.80.
   c. 19.216 to 20.784.
   d. 21.2 to 22.8.


vickyvicksss

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Range of Motion of the Cervical Spine, Flexion, Hyperextension Range of Motion of the Cervical Spine, Flexion, Hyperextension
The nurse uses a noninvasive bladder ultrasound to measure the client’s bladder volume. The nurse uses a noninvasive bladder ultrasound to measure the client’s bladder volume.
Range of motion at the shoulder and hip joints Cont. Range of motion at the shoulder and hip joints Cont.
Range for Functions Range for Functions
Range for Functions Range for Functions
Determ ine the measure of angle x Determ ine the measure of angle x
Video: Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library