A manager wishes to determine the length of time it takes an operator to realign a machine's settings for an alternate production run. Measurements (in minutes), taken at hourly intervals over two shifts, are as follows:18181515112020

12151117051613

The standard deviation for the data set is:Select one:a.2.73b.4.02c.3.96d.3.81

On a human resources form, an employee lists how many children he has under the age of 21. This number is an example of what level of data?Select one:a.ratiob.ordinalc.nominald.interval

A distribution with a small standard deviation:Select one:a.has a high degree of skewnessb.has a high spreadc.is more likely to be leptokurticd.is less likely to be leptokurtic

One definition of statistics includes all but which one of the following on numerical dataSelect one:a.collectionb.creationc.analysisd.presentation

Which of the following data are sometimes referred to as qualitative data?Select one:a.intervalb.metricc.numericd.non metric

A market research questionnaire asks customers to check which of the following is their occupation: engineer, teacher, businessperson, minister, construction worker, or other. Each of these six is assigned one of six numbers. For example, if a person checks "other" than they will be assigned a six for computing purposes. These numbers are examples of what level of data?Select one:a.ordinalb.ratioc.nominald.interval

Which level of data has an absolute zero?Select one:a.ordinalb.intervalc.nominald.ratio

The quality controltechnician records the Fahrenheit temperature in the manufacturing plant every hour. These temperatures are an example of what level of data?Select one:a.Ratiob.Intervalc.Ordinald.Nominal

Consumers are surveyed to determine if they have a positive image of a local company. One of the questions is "Do you think that Company X is good for the community?" Surveyed consumers circle Yes or No. When the answers are coded for analysis, a Yes is given a 2 and a No is given a 1. These numbers are an example of what level of data?Select one:a.ordinalb.ratioc.nominald.interval

A researcher studies the effectiveness of managers at a small company containing 46 employees. The researcher interviews every employee, gathers data, analyzes the data, and writes up a report of her findings for company management. Company management uses the report to improve their administration of the company. This is an example of:a. sample statisticsSelect one:a.sample statisticsb.descriptive statisticsc.inferential statisticsd.decision making statistics

Seven consecutive points above the centerline of a control chart:a.indicates an assignable cause of variationfindLCL(x-bar) and UCL(x-bar) are, respectively:3323834513304

4345932314346

53641038415365

Select one:a.29.86 and 34.94b.32.59 and 36.86

c.29.86 and 0.00d.30.27 and 34.53

The total quality approach has which of the following characteristics?Select one:a.Teamworkb.Obsession with qualityc.Focus on the customerd.Freedom through controle.All of the above

T the specifications for a tape component require production of a unit of width of 5mm+/-0.1mm. A sample of the production process is given below.The cell with the highest frequency has which of the following cell boundaries?5.205.044.865.10

5.065.044.965.13

5.054.894.924.91

5.165.074.955.10

Select one:a.4.895 - 4.965b.5.035 - 5.105c.5.105 - 5.175d.4.965 - 5.035

A manager wishes to determine the length of time it takes an operator to realign a machine's settings for an alternate production run. Measurements (in minutes), taken at hourly intervals over two shifts, are as follows:18181515112020

12151117051613

The coefficient of skewness for the data isSelect one:a.5.64b.-0.48c.-0.68d.1.14e.1.42

A Internet business site lists the top 50 businessaccording to profitability from last year. If one of these businesses is selected, their ranking in the top 50 (eg. number 40) is an example of what level of data?Select one:a.ratiob.nominalc.intervald.ordinal

A firm produces a gear for use in assembly machines that has a mean diameter of 12 cm and a standard deviation of 0.75 cm. If production is normally distributed, what percentage of the goods will be produced within the specification limit of 12.2 cm +/- 0.8 cm?Select one:a.30.36%b.62.01%c.88.54%d.69.63%

Control charts for x-bar and R are under development for a dimension of a manufactured part (measured in mm). A subgroup size of 6 was selected and the following data was gathered:Subgroupx-barRSubgroupx-barRSubgroupx-barR

1304630611265

2344728412324

3323834513304

4345932314346

53641038415365

LCL(x-bar) and UCL(x-bar) are, respectively:Select one:a.32.59 and 36.86b.29.86 and 34.94c.30.27 and 34.53d.29.86 and 0.00

If the data are nominal or ordinal, then the statistician should use what type of statistics to analyze the data?Select one:a.non relatedb.parametricc.non paramtericd.multivariate

Which of the following is represented by Greek letters?Select one:a.parameterb.statisticc.censusd.sample

A manager wishes to determine the length of time it takes an operator to realign a machine's settings for an alternate production run. Measurements (in minutes), taken at hourly intervals over two shifts, are as follows:The mean and median for the data are, respectfully:18181515112020

12151117051613

Select one:a.14; 15b.15; 15c.13.07; 15.5d.15.07; 15.5

Which of the following refers to when a researcher gathers data on a group to describe or reach conclusions about that same group?Select one:a.non parametric statisticsb.inside statisticsc.inferential statisticsd.descriptive statistics

Control charts for x-bar and R are under development for a dimension of a manufactured part (measured in mm). A subgroup size of 6 was selected and the following data was gathered:Subgroupx-barRSubgroupx-barRSubgroupx-barR

1304630611265

2344728412324

3323834513304

4345932314346

53641038415365

UCL(R) and LCL(R) are, respectively:Select one:a.8.82 and 0.00b.9.3 and 0.00c.8.02 and 0.00d.8.82 and -2.28

A businessresearcher records the time it takes for a customer to go from their car in the parking lot into the shopping mall entrance. This is an example of what level of data?Select one:a.ordinalb.ratioc.intervald.nominal

The life of a battery is normally distributed with a mean of 1000 hours and a standard deviation 0f 50 hours. The amount of production that will have a life of between 930 and 1080 hours is:Select one:a.94.52%b.52.60%c.44.52%d.86.44%

A company is rated on the friendliness of its employees on a scale from one to three where a one is very friendly, a two is friendly, and a three is not friendly. These numbers are examples of what level of data?Select one:a.intervalb.nominalc.ordinald.ratio

Every night before closing, the night manager counts the amount of money in the cash register. The amount of money in the cash register is an example of what level of data?Select one:a.ratiob.nominalc.intervald.ordinal