• Ti89 Manual
    Stats/List Editor on the TI-89 supports several types of regression, among which are linear, quadrfatic, cubic, quartic, logarithmic, exponential, power, and multiple linear. All of them work pretty much the same, so linear regression will be used as an example. 4 Use the lists listx (the x’s...
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  • Advertising
    advertising budget also influences the nature of such mix, in addition to the available audience. For example, to achieve certain advertising objectives, one may require to use a mix of 50% newspaper, 25% magazine and the rest 25% television. However, more than one mix may fulfill the...
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  • Marketing Research Proposal
    . Suggested Solutions Positioning should be clearer as healthy drinks. More intense promotion strategies are suggested to increase the coverage, particularly on magazines, newspapers, bus advertisements and leaflets. Invite celebrities with energetic and healthy images as spokesmen. Some gimmicks...
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  • ideal company
    the two sides of the equation are equal, but occasionally, as in (d) above, they have only one. In fact, many quadratic equations are insoluble. For example, Y 2 ¼ À9 has no real roots. We shall consider this again when we look at quadratic graphs in the next chapter. 2005.1 BUSINESS...
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  • Statistical Method
    classified can be ranked or ordered. Interval-Level Data The interval level of measurement is the next highest level. It includes all the characteristics of the ordinal level, but, in addition, the difference between values is a constant size. An example of the interval level of measurement is temperature...
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  • Research Methods
    , we want to double the precision the number of observations in the sample should be increased four times. 3. The most important use of the standard errors is in the construction of confidence intervals within which parameter values are expected to fall. For a sufficiently large sample size, the...
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  • Psych
    population of all voters who plan to vote for this candidate. -Meaning of 95% confidence: If we use many random samples of size 300, 95% of Confidence Interval produced would contain the true population proportion of all voters planning to vote for the candidate. -To find the correct Sample Size...
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  • Marketing Plan
    Variance and Standard Deviation A Couple More Statistical Ideas Measuring Response Standard Error of a Proportion Comparing Results Using Confidence Bounds Comparing Results Using Difference of Proportions Size of Sample What the Confidence Interval Really Means Size of Test and Control for...
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  • Section chief
    of y equals a small change in y as a proportion of y. It is because of this calculus result that we use natural logs instead of common logs in regression analysis. Because this table uses a discrete change in EDUCATION, the 2.08% differs slightly from the continuous result 0.206 × (change in...
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  • Company Case: Trap-Ease America: the Big Cheese of Mouse Traps.
    will not use that value. We will use a very simple hypothesis for the first example. We are testing whether the proportions of all the observed values of education are equal. To do this, choose the option “All categories equal” in the area "Expected Values.” Click on “OK.” www.vgupta.com Chapter...
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  • Statistics
    outlier is an extremely high or an extremely low data value when compared with the rest of the data values. | 1. The Histogram – or column diagram is a graph consisting of a series of vertical columns or rectangles each drawn with a base equal to the class interval and a...
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  • Lecture Stat
    -person account, autobiographies, diaries d. Secondary data are republished by another researcher or agency. It refers to information which is taken from published or unpublished data which were previously gathered by other individuals and agencies Example: published books, newspapers, magazines...
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  • jet blus
    face numerical data all the time newspapers, sports magazines, business magazines  Statistical techniques are used to make decisions that effect our daily lives  Insurance companies use statistics to set rates for different insurance  City corporation may want to examine the...
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  • Organisational Behaviour
    ? Chapter 6 (Motivation) 11. What proportion of the workforce receive formal performance appraisals? Chapter 6 (Motivation) 12. Which of the following promotion decision rules do you use most often? (a) merit or performance rating alone; (b) seniority only if merit is equal; (c) seniority among...
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  • E Conomic Benefits of Microfinance
    random sampling, every sample of a given size in the accessible population has an equal chance of being selected. Random sampling allows generalizability to a larger population with margin of error that is statistically determinable. Random sampling allows the use of inferential statistics...
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  • Glossary
    Glossary of Terms Tabloid Refers to a newspaper smaller in size as compared to the broadsheet newspaper. E.g Mid-Day, Mumbai Mirror etc. Tear Sheet Refers to the page clipped from a newspaper or magazine as proof that an ad has appeared as scheduled. An invoice to seek payment normally accompanies it...
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  • Study Notes from Week 1 Reading
    reliability is a statement (usually quantified) about the degree of uncertainty associated with a statistical inference. inflation – upward movement of prices deflation – downward movement of prices examples of using statistics in business: What cc do ppl use most for cc purchases? – pop/all cc...
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  • statistics
    people/clients . And pick and explain tables, charts, and graphs with a suitable data from books, magazine or internets. There are mainly two types of table we use on Statistics. They are: Simple and complex table: The distinction between simple and complex tables is based upon the number of...
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  • Pbspbs
    want to compute these confidence intervals yourself, use these Excel equations (N is sample size; alpha is 0.05 for 95% confidence, 0.01 for 99% confidence, etc.): Lower limit: =SD*SQRT((N-1)/CHIINV((alpha/2), N-1)) Upper limit: =SD*SQRT((N-1)/CHIINV(1-(alpha/2), N-1)) What is the SEM? The...
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  • Media Products
    “digital divide” – for example in the sense that everyone gets access to a computer – could well lead to an increase in more traditional communication gaps. More equal access to electronic media could mean less equal access to magazines, books and newspapers. Realising that there are many people who, for...
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