**Answer:**

**The increase price of movie ticket is $ 0.34 or 4.619 %**

**Step-by-step explanation:**

Given as :

The average movie theater price in 2009 = $ 7.70

The average movie theater price in 2008 = $ 7.36

So, let The increase in price from 2008 to 2009 = $ 7.70 - $ 7.36

I.e =** $ 0.34**

Now in percentage increase

Percentage increase = × 100

Or, Percentage increase = × 100

Or, Percentage increase = × 100

∴ Percentage increase = **4.619 %**

**Hence The increase price of movie ticket is $ 0.34 or 4.619 % Answer **

**Answer: **<em>Tara thinks correctly.</em>

**Step-by-step explanation:**

<em>Let's calculate the average value in sample A:</em>

<em>(4 × 70 + 5 × 100 + 6 × 125 + 7 × 135 + 8 × 70) ÷ 500 = 6,07 ≈ </em><em>**6 hours**</em>

<em>Let's calculate the average value in sample B:</em>

<em>(4 × 80 + 5 × 90 + 6 × 120 + 7 × 125 + 8 × 85) ÷ 500 = 6,09 ≈ </em><em>**6 hours**</em>

<em>**So, Tara is correct in saying that the mean is 6.**</em>