Critical value approach to test hypothesis

Assignment Help Basic Statistics
Reference no: EM131099555

Sweet cookie sally would like to test the hypothesis that those celebrating Valentine's Day will spend more than an average of $125 on gifts. A random sample of 18 people celebrating Valentine's Day spent an average of $148.50 with a standard deviation of $34.90. Sweet cookie sally would like to set α = 0.01. Use the critical value approach to test this hypothesis.

Reference no: EM131099555

Questions Cloud

Confidence interval for the population proportion : In a survey of 474 US women, 365 said that the media has a negative effect on women's health because they set unattainable standards for appearance. Find a point estimate for p. Construct a 95% confidence interval for the population proportion p.
What you know about workplace emotions and attitudes : MANAGEMENT AND ORGANISATIONAL BEHAVIOUR (BBMM301). Analyse the problems in this case in terms of what you know about workplace emotions and attitudes. What should this organisation do to minimise the problems apparent in this case
Inventory of finished goods : Inventory of finished goods on December 31 was 6,400 units. The company desires to have an ending inventory each month equal to one-half of next month's estimated sales. Determine the company's production requirements for each month of the first q..
Determine the closed-loop gain and i/o impedances : Determine the circuit's operating points for an input dc level of 0.9 V.
Critical value approach to test hypothesis : A random sample of 18 people celebrating Valentine's Day spent an average of $148.50 with a standard deviation of $34.90. Sweet cookie sally would like to set α = 0.01. Use the critical value approach to test this hypothesis.
Celebrating valentine day spent an average : Hallmark would like to test the hypothesis that those celebrating Valentine's Day will spend more than an average of $125 on gifts. A random sample of 18 people celebrating Valentine's Day spent an average of $148.50 with a standard deviation of $..
What are the boundaries of a firm : What are the "boundaries' of a firm? What determines the extent of vertical boundaries? What determines the extent of horizontal integration? Use a cost benefit analysis to describe the optimal boundaries of a firm. Why does the evolution of large fi..
Describe a circumstance when the median : The median is a useful measure, but it can be misleading. Describe a circumstance when the median is very useful as the average and a circumstance when the median is very misleading as the average.
Will society face welfare loss in monopolistic market : Compare the competitive price charged and quantity produced under perfect competition and monopoly. Other than identifying the presence of only one producer under monopoly, why do we tend to see this differential? Does a monopolist achieve efficiency..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Te received signal of a communication system r s n

question let r1 and r2 be the signal strengths received by a mobile from base stations 1 and 2 respectively. the

  Find the players expected winnings

Find the players expected winnings if he makes this additional bet when he has the opportunity.

  Find the standard score z such that the area above the mean

consider the following. give your answers correct to two decimal places.a find the standard score z such that the area

  Probability customers in sample buy coffee during visit

If the store owner's claim is correct, what is the probability that fewer than 24 customers in the sample buy coffee during their visit on that certain day of the week?

  What proportion of boxes is underweight

To avoid losing money, the top 5% (the heaviest 5%) is labeled overweight. A) What proportion of boxes is underweight?

  Test whether there is more variation using variance test

At the .01 significance level, can we conclude that there is more variation?

  What reaction time will 9999 of the drivers be faster than

a drivers reaction time in response to another car changing lanes is normally distributed with a mean of 0.4 seconds

  Differential equations used to model

Two tanks A and B, each of volume V, are filled with water at time t=0. For t > 0, volume v of solution containing mass m of solute flows into tank A per second; mixture flows from tank A to tank B at the same rate and mixture flows away from tank..

  Hits on a website occur quite infrequently they occur

hits on a website occur quite infrequently. they occur randomly and independently with an average of 5 per week.a find

  Uing a 95 confidence interval estimate the true

an auditor wants to estimate what proportion of a banks commercial loan files are complete. the auditor randomly

  How do you set up spss

How do you set up SPSS to find descriptives for the perceived learning variable for each gender?

  Grams and a standard deviation

Weights of newborn babies in the United States are normally distributed with a mean of 3425 grams and a standard deviation of 495 grams. A newborn weighing less than 2200 grams is considered to be at risk. What fraction of newborn babies are in th..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd