Statistics question and answers for October 17, 2023
- Q The Student s t distribution is used to construct a confidence interval when O working with a proportion O working with a mean and the standard deviation is unknown O...
- Q Due to the COVID 19 pandemic many college classes have been moved online The college would like to estimate the proportion of students that have access to reliable high speed...
- Q If it is determined that a confidence interval has a margin of error that is too large a researcher can decrease the margin of error by O decreasing sample size...
- Q In a left tailed hypothesis test for a population mean where the population standard deviation is known the test statistic for a random sample of size 57 was calculated to...
- Q A Type 2 error is made when O the alternative hypothesis is not rejected when it is false O the null hypothesis is not rejected when it is false O...
- Q A Type 1 error is made when O the alternative hypothesis is not rejected when it was false O the alternative hypothesis is rejected when it was true O the...
- Q Last year the mean price of a single family home in Sebastian was found to be 126 197 This year a real estate researcher would like to determine if the...
- Q The significance level of a hypothesis test which is denoted by a is the probability of O making a sampling error O making a Type 1 error O making a...
- Q In a poll of 125 randomly selected U S adults 66 said they favored a new proposition Based on this poll compute a 95 confidence interval for the proportion of...
- Q Which of the following statements is a possible null hypothesis O The population mean is equal to 62 O The population mean is not equal to 62 O The population...
- Q Grade Subject Math 9th Grade 10th Grade Total 7 10 Science 29 11 English 23 30 What s the joint relative frequency a 9th grader liked math What s the...
- Q The width of a confidence interval is affected by the O sample size O the sample mean O the population mean O Type I error
- Q 3 Show that any subset of 55 distinct positive integers less than 101 must contain two integer which differ by exactly 9
- Q Volunteer Gender Age 1 Male 21 Female 20 Male 47 Female 60 Female 62 Male 61 Male 58 Female 44 Male 44 Female 24 Male 23 Female 46 2 3...
- Q nfidence interval and interpret the results If using provide the description of the clicks you used Question 2 6 points In a random sample of eight people the mean commute...
- Q Question 10 Frequency Here again is the histogram showing the distribution of 50 ages at death due to trauma accidents and homicides that occurred in a certain hospital during a...
- Q Question 4 Actors Home MyPCC The following stem and leaf plots compare the ages of 30 actors and 30 actresses at the time they won the Oscar award for Best...
- Q Question 11 The frequency table below shows the scores of a group of students on a 10 point quiz The frequency is the number of students who got that score...
- Q Question 2 Here is a data set 62 52 66 60 51 89 60 62 68 51 83 75 86 66 59 55 61 50 63 65 61 64 58...
- Q Score 0 16 1 16 answered Work 2 1 2 2 2 7 except 2 2 3 and 2 2 4 Question 8 Frequency The shape of the distribution of...
- Q Score 0 16 1 16 answered Question 3 Here is a data set 41 27 41 28 49 38 31 31 30 38 44 39 34 43 45 37 34...
- Q The histogram below shows the odometer readings in miles of Honda Civic automobiles listed for sale on the Seattle Times Web site on November 26 2003 of cars 00 8...
- Q Question 12 The highway mileage mpg for a sample of 5 different models of a car company can be found below Find the mean median mode and range 21 23...
- Q Question 15 A survey taken in a large statistics class contained the question What s the fastest you have driven a car in miles per hour The five number summary...
- Q Question 14 Given the 5 number summary for a set of data find the IQR Interquartile Range Q1 30 Minimum 0 IQR Median 49 Question Help Video Post to forum...
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