« previous next »

Author Question: Various temperature measurements are recorded at different times for a particular city. The mean of ... (Read 42 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Aug 1, 2018
Various temperature measurements are recorded at different times for a particular city. The mean of 20C is obtained for 60 temperatures on 60 different days.
 
  Assuming that  = 1.5C, test the claim that the population mean is . Use a 0.05 significance level.

Question 2

Rich Borne is currently taking Chemistry 101. On the five laboratory assignments for the quarter, he got the following scores:
 
  30 38 13 48 53
  Compute the range.
  A) 53 B) 13 C) 40 D) 8


vish98

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Aug 1, 2018
Answer to Question 1

:  = 23; :  > 23. Test statistic: z = -15.49;.
P-value: 0.0002. Because the P-value of 0.0002 is less than the significance level of we reject the null hypothesis.

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Aug 1, 2018
Thank you!


vish98

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Aug 1, 2018
Always glad to help...


« previous next »
 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Generally, the total tax burden in the United States is much lower than that of other industrialize Generally, the total tax burden in the United States is much lower than that of other industrialize
Measuring Oral Temperature Using an Electronic Thermometer Measuring Oral Temperature Using an Electronic Thermometer
Measuring Axillary Temperature Measuring Axillary Temperature
Atmospheric properties include temperature, pressure, and humidity Atmospheric properties include temperature, pressure, and humidity
Energy imbalance establishes a temperature gradient between the tropics and the poles Energy imbalance establishes a temperature gradient between the tropics and the poles
The Temperature Danger Zone The Temperature Danger Zone
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library