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About Lopamudra Member

Lopamudra
  • Registered: May 24, 2021

User Stats

  • Questions ( 0 )
  • Answers ( 8 )
  • Asked Questions ( 0 )
  • Posts ( 0 )
  • Comments ( 0 )
  • Best Answers ( 0 )
  1. You want to buy a restaurant in Gurgaon, you have the sales data of last 6 months but you do not have any survey. How would you come up with a price for this restaurant

    Lopamudra
    Lopamudra Member
    0
    May 25, 2021 at 2:11 pm
    We can look at cost data and other investments made/to be ma
  2. Is set an indexed and ordered data type? If not then how do you actually access data from a set?

    Lopamudra
    Lopamudra Member
    1
    May 25, 2021 at 9:31 am
    Set is unordered. We cant access elements of set by index. W
  3. Calculate the cumulative multiplication

    Lopamudra
    Lopamudra Member
    1
    May 25, 2021 at 6:32 am
    SELECT *, Lag(x, 1,2) OVER( ORDER BY x ASC) AS x FROM T;
  4. Very briefly explain the assumptions of Linear Regression

    Lopamudra
    Lopamudra Member
    0
    May 24, 2021 at 9:51 am
    1. Independent and dependent variables must have a linear re
  5. Difference in the formula of variance calculated for population and sample, Why?

    Lopamudra
    Lopamudra Member
    0
    May 24, 2021 at 9:31 am
    N-1 in sample variance is used to remove bias. Population Va
  6. Demand and Supply increased by 10% but total booking was down by 10% for a particular week, Why?

    Lopamudra
    Lopamudra Member
    1
    May 24, 2021 at 9:25 am
    a. Need to find if decrease in bookings has happened in a pa
  7. What do you mean by mutable and immutable data type? Explain

    Lopamudra
    Lopamudra Member
    1
    May 24, 2021 at 9:18 am
    Contents of Mutable objects can be modified whereas immutabl
  8. Count of duplicate rows in SQL

    Lopamudra
    Lopamudra Member
    0
    May 24, 2021 at 9:13 am
    select sum(Rep_Count) ( select count(*) as Roll_Tot_count, c

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